Fyziklani Problems and Solutions

2026

Czech Republic

Aa. Summer drink

Problem Solution

Ab. Marek’s ride

Problem Solution

AC. Don’t judge a fish by its ability to run

Problem Solution

Ad. Angle averaging

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Ae. Vive la révolution

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Af. Nacho dip

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Ag. Active power plant

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Ah. Water in the air

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Ba. Valentine’s fluorite

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Bb. Overturned glass

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Bc. Coin on water

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Bd. Prone to procrastination

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Be. Schrödinger’s cat rescue mission

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Bf. Sphere in a cylinder

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Bg. A ball in hand

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Bh. Nuts and bolts

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Ca. As quick as snapping your fingers

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Cb. How a wheel went wandering

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Cc. Wien filter

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CD. Spinning sink

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Ce. Titanic

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Cf. Christmas tree

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Cg. Table oscillation

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Ch. Plato’s current

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Da. Warming rezistor

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Db. Triple collision

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DC. Watt’s magnetic governor

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Dd. Overturned train

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De. Where to with it?

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Df. Hellish

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Dg. Bead on parabole

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Dh. Crossing the road in front of a car

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Ea. Kaon decay

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Eb. Three spheres

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Ec. The shrunken Moon

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Ed. Anti-reflective coating

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Ee. Physical pendulums with stiff coupling

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Ef. Inside of a glowing sphere

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Eg. Got to be the best pirate I have ever seen

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Eh. Grilled Roman, Sicilian-style

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Fa. Starcraper

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Fb. Oscillating massive pulley

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Fc. Motocross derby

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Fd. Conical cup

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Fe. Fast-spinning kettle

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Ff. Definitional

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Fg. A new lamp

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Fh. Ice bubble

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Ga. Antigravitational

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Gb. Opaque glass

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Gc. Then measure it

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Gd. Overturning a rectangular cuboid

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Ge. Networking

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Gf. Indistinguishable gases

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Gg. Repulsive light

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Gh. Charged ring

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Ha. Friction on an inclined plane

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Hb. Dramatic amplification

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2025

Czech Republic

Aa. Quick pasta

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Ab. More panic on the escalators

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AC. Gasoline magic

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Ad. Slow down, slow down!

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Ae. Deeply they wave

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Af. Calculating friction

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Ag. Carbon emissions zero

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Ah. Pressure in an enclosed tube

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Ba. Fuel cell

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Bb. Microscopic expansion

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Bc. Exploring extraterrestrial puddles

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Bd. Stretching a pulley

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Be. Conductance quantum

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Bf. An attempt at (not)shooting oneself

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Bg. Peristaltic pump

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Bh. Pineapple on pizza

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Ca. Hard impact

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Cb. A barking dog never bites

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Cc. Hill climb racing

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CD. Clear ice

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Ce. Wheelchair user

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Cf. Fast train in a turn

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Cg. Ladybugs on a walk

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Ch. Flying octopus

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Da. Pineapple on pizza reloaded

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Db. Hill climb racing reloaded

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DC. An inclined cylinder on an inclined plane

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Dd. A well-fed spaceman

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De. A wild carousel

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Df. P-roblematic oven

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Dg. Compressing air-filled syringe

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Dh. A stretching suspense

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Ea. Fingal’s Fingers

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Eb. Lego borrowed Verča’s coin

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Ec. Showered

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Ed. Journey to the off-center of the Earth

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Ee. Conductive air

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Ef. My brother Coriolis

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Eg. Interstellar chocolate

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Eh. 4 pulleys and 4 weights

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Fa. Three Gorges Dam

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Fb. Tem

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Fc. Another race of point particles

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Fd. Oscillating floating plate

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Fe. Mobile mirror

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Ff. Point mass in a round corner

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Fg. Billiards

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Fh. Pencil on the edge

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Ga. Let’s not neglect Saturn

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Gb. Electrostatic pyramid

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Gc. Heavenly aquarium

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Gd. Strange equilibrium

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Ge. A snow globe

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Gf. Surface conductivity

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Gg. Cylinder à la rocket

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Gh. A little restive dipole

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2024

Czech Republic

Aa. Jellyfish

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Ab. Bathing in a bathtub

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AC. Panic at the escalators

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Ad. Storing heat in liquids

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Ae. Sheet shears

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Af. Looking for a cyclist

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Ag. Clean energy of tomorrow

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Ah. Speed up at crossroads

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Ba. Lonely little prince

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Bb. Repulsive David

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Bc. Student’s

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Bd. Spring warm-up

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Be. Aircraft tow tractors

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Bf. Boredom on the subway

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Bg. Titanic

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Bh. Pulleys with mass rope

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Ca. Turbomolecular pump

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Cb. Sliding dryer

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Cc. A magical bath

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CD. Clash of the titans

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Ce. Charged square

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Cf. A folder with a clip

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Cg. A falling suitcase

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Ch. Dioptric

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Da. Combustion

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Db. A pond on a mirror

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DC. Wombat’s

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Dd. Street light

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De. Honking trains

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Df. Insomniac civlization

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Dg. Fast muons

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Dh. Cart with a plumb and friction

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Ea. Mass points races

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Eb. A pasta problem

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Ec. Another bead on a string

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Ed. Let’s increase intensity

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Ee. Fykosaurus

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Ef. Imperfect diode

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Eg. Pressed hatch

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Eh. Asynchronous single-phase motor

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Fa. Irresistibly attractive reloaded

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Fb. Rydberg state

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Fc. Resistance of a reaction

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Fd. Flag waving in the wind

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Fe. Washing a chopping board

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Ff. Arda

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Fg. Boring vacation

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Fh. Separable couple

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Ga. Once again, there’s one left!

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Gb. 21 zentimeter

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Gc. Pew Pew

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Gd. Inseparable couple

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Ge. Self-propulsion

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Gf. Decaying problem

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2023

Czech Republic

Aa. At the concert

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Ab. Slow cyclist

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AC. Not enough time

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Ad. Springs and weights

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Ae. Gramophone

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Af. Ball on the boat

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Ag. Weighing a dog

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Ah. Filling a bucket

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Ba. CR7

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Bb. Chopping a parsley

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Bc. A rod on springs

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Bd. A swing

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Be. Dense energy

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Bf. A pulley that shifts

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Bg. Does is float?

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Bh. Restless coin

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Ca. Oscillating pulley

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Cb. A crystal of beryl

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Cc. Lasagna

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CD. Lenses for nothing

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Ce. Heating with hydrogen

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Cf. A cart with a plumb bob

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Cg. Hot air balloon

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Ch. Heating

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Da. Cutting an apple

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Db. Emergency and problematic

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DC. Floating

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Dd. Snowfall

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De. Usa annexes

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Df. Wind velocity

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Dg. Race of shadows

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Dh. Termoanemometer

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Ea. Clumsy Danka

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Eb. Simplified trebuchet

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Ec. Repulsive 2D snowman

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Ed. Searching for a type ii civilization

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Ee. Doppler on a stroll

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Ef. Pigeon doesn’t fall far from the stone

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Eg. Dishwasher

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Eh. Watering the flower bed

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Fa. Too fast electron

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Fb. Annihilation peak

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Fc. Evil chandelier

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Fd. Sphere in the road curve

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Fe. We will prevent armageddon

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Ff. Two rings

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Fg. Stone doesn’t fall far from pigeon

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Fh. Love and truth will overcome lies and hatred

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Ga. Running princess

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Gb. Stone is falling among pigeons

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Gc. Crashed charges

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2022

Czech Republic

Aa. It flows

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Ab. Muddy

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AC. Headphone jack

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Ad. Fyziklani Prize

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Ae. Dang reduction

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Af. Oh, those Newton’s laws

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Ag. Toilet vandalism

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Ah. Time to shine

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Ba. Nanoparticle coating

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Bb. Racing

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Bc. Aerogel on the water

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Bd. Measuring the Earth radius on budget

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Be. From extreme to extreme

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Bf. Little wrecking ball

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Bg. Traffic density on a highway

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Bh. Dense lattice

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Ca. Arachnophobia

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Cb. Eighth-life

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Cc. Attention, cyclist

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CD. Neglecting Saturn

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Ce. Heating of the synthetic air

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Cf. Marble is jumping off the window

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Cg. Thermos suction cup

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Ch. Robo shoot!

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Da. Waterboarding of iron ball

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Db. Repulsive steering wheel

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DC. Current of the metro

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Dd. Fun at lecture

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De. Hot plates

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Df. Fast particles

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Dg. Marble is falling off the window

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Dh. Attack on the train

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Ea. Broken rheostat

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Eb. Blured spectrum of rotations

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Ec. Watch your head

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Ed. Duck

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Ee. We’re setting ants on fire

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Ef. Charged helicopter

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Eg. Long wait

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Eh. Terrain advantage

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Fa. Cube in slip

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Fb. Double infinity of lenses

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Fc. Oscillatory voltage

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Fd. Exhausted Sun

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Fe. Marble didn’t guess

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Ff. Zigzag

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Fg. Magnetic (almost)levitation

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Fh. Thirteen shots

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Ga. Center of gravity of better snail

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Gb. Falling tree

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2021

Czech Republic

M.1. A pram

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M.2. Pulleys on a railway car

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M.3. A restless washing machine

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M.4. Negative Moon

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M.5. Relaxing at a train station

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M.6. The importance of having passengers

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M.7. A football problem

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M.8. A wall

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M.9. Pulleys on an inclined block

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M.10. A

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M.11. Falling coins

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M.12. Leaping coin

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M.13. Climbing

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M.14. An impact into a wall

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M.15. Non-quantum entanglement

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M.16. Water planet

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M.17. Slot car racing

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E.1. The anti-diet of the Earth

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E.2. Diomede Islands

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E.3. Water on Mars

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E.4. Rolling in the Neanderthal way

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E.5. Dry

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E.6. Hanging clothes

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E.7. Gravitation

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E.8. Rope on an inclined plane

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X.1. Massive crash

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X.2. Pythagorean theorem not working

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X.3. Poisoned

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X.4. Malicious X

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X.5. Slip

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X.6. Cruel game of fate

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X.7. Even more malicious X

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A.1. Flight from the Sun

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A.2. Seti frequency

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A.3. Gravitation in The Orwille

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A.4. A little crescent moon

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A.5. A New Year’s comet

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A.6. Deadly Sun

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C.1. Non-ideal ammeter

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C.2. Cuboids

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C.3. Inductors

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C.4. Infinite and nasty circuit

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C.5. Long wiring

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O.1. Clapping at a concert

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O.2. A bubble in ice

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O.3. At a concert

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O.4. Bells

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O.5. Soliloquy

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O.6. A bubble in a paperweight

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T.1. Drinking water

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T.2. A little sun

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T.3. A simplified model of a balloon

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T.4. Hot ball

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T.5. A breakfast in Dukovany

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T.6. Oscillating piston

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T.7. A mining poison

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2020

Czech Republic

Aa. Cold lemonade

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Ab. Ropey

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AC. At the bottom

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Ad. Snow on the roof

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Ae. Danka’s glasses

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Af. Interdimensional potential

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Ag. Caffeine

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Ah. Non-ideal voltmeter

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Ba. Pulleys again

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Bb. Full tank, please

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Bc. Dropped

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Bd. Phy-lley

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Be. How to move the world

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Bf. A bubble in a sea

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Bg. Doubly dioptric

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Bh. A molecular rotator

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Ca. Danger in class

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Cb. Make a wish

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Cc. A paintbrush is falling

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CD. Sprinting on a wheelchair

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Ce. Dancing

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Cf. Heat and collisions

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Cg. Cooking

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Ch. Water in an angular tube

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Da. The floor is lava

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Db. Lift mechanics

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DC. Rotation of the velocity vector

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Dd. Heavy can

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De. Jindra the tractor driver

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Df. Lens-like mirror

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Dg. At the absolute bottom

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Dh. Retroreflection

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Ea. Jerked around

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Eb. Green shift

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Ec. Are we climbing?

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Ed. Hole in a planet

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Ee. Slippery rope

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Ef. RLC for sure this time

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Eg. Rotation of polarisation

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Eh. Tnt planet

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Fa. Jindra ii. The tractor driver

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Fb. Dome

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Fc. Light please

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Fd. Electron-y

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Fe. Thirteen wells

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Ff. Boiling

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Fg. Inverse well

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Fh. Of course it’s drinking water

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Ga. Hole in a bucket

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Gb. Excess heat

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Gc. Parabolic rays

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2019

Czech Republic

Aa. Escalator strangeness

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Ab. Far from the planet

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AC. It sparks

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Ad. Beware tram

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Ae. Unstable Danka

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Af. Flat-Earth

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Ag. The Prague Metro

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Ah. Prefixious

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Ba. Landing accident

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Bb. Drawing

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Bc. Acceleration from planets

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Bd. Drinking tea

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Be. At the bottom of the lake

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Bf. Take a guess

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Bg. Exosystem with a planet

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Bh. Price of a flight

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Ca. When physicist cooks

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Cb. The price of charging a car battery

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Cc. Mirrors

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CD. Model of an atom

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Ce. Degradation of the efficiency of a kettle

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Cf. Zkkzgt zjazq

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Cg. Playing with marbles

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Ch. Flat-Earth reloaded

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Da. Not even an oil stain

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Db. Rabbit no racist

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DC. Lumberjack physicist

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Dd. Black box

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De. Two cuboids

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Df. Fast crash

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Dg. Air goes through

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Dh. Lifting by lever

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Ea. Asymmetrical pendulum amplitude

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Eb. Jachym’s bow

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Ec. Laser

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Ed. 1D billiards

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Ee. Wailing vibes

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Ef. Crane driver

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Eg. Christmas snowman reloaded

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Eh. Lunar mining

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Fa. Christmas snowman

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Fb. Slide farther

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Fc. Bouncing pendulum

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Fd. Capacitors

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Fe. Christmas snowman reloaded reloaded

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Ff. Analytical bouncing ball

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Fg. Ice hockey sticks

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Fh. Flat-Earth reloaded reloaded

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Ga. Centrifuge

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Gb. Drinking tea 2.0

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2018

Czech Republic

Aa. Wouldn’t steal a car

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Ab. Simple conveyor belt

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AC. Dropped banknote

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Ad. Zero to hundred

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Ae. Bathing

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Af. Comparison of the calorific value

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Ag. Conveyor belt travelling problem

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Ah. Crossed mirrors

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Ba. Antimatterianism

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Bb. Interplanetary pendulum

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Bc. Charged balls

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Bd. The new dimension

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Be. Repulsive cube

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Bf. Bubble bath for Janap

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Bg. Mercury column

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Bh. Sunken

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Ca. Walk on a boat à la Dan

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Cb. Perpetuum mobile of the second kind

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Cc. Asteroids

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CD. A complex network

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Ce. Small data

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Cf. Hard-working heart

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Cg. I’m just all right

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Ch. Lighthouse

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Da. Bernoulli in real life

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Db. Thunderstorm

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DC. Football problem

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Dd. Lens and mirror

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De. Cleaning glasses

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Df. Four body problem

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Dg. Why is it smoking?

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Dh. Solar sniper

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Ea. Those resistors again

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Eb. Typical problem of a commuter

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Ec. Merry-go-flat

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Ed. Finally a pleasant temperature

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Ee. Repulsive

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Ef. Hang up that pendulum!

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Eg. Triangular network

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Eh. Zero to hundred for the third time

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Fa. Stretched

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Fb. Procrastination

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Fc. A lot of computations

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Fd. Roof and cylinder

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Fe. Zero to hundred for the second time

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Ff. A ring

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Fg. Matěj’s four spheres

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Fh. Spinning container

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Ga. Rope

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Gb. Solar rod

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Gc. Fireworks

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2017

Czech Republic

Aa. Na rozehřátí

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Ab. Nelineární kondenzátor 1

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AC. Vzdálená komunikace

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Ad. Dietní chyba

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Ae. Dva roky jezdím bez nehod

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Af. Hapalo

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Ag. Jedu!

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Ah. Kulička na pružince

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Ba. Mlsná

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Bb. Neprůstřelná

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Bc. Aby si z vás nevystřelila Hepnarová...

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Bd. Lada na ledě

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Be. Letadlo

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Bf. (ne)ustálená nádrž

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Bg. Procházka s autobusy

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Bh. Sedm a dost

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Ca. Sněhové radovánky Dana

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Cb. Termodynamická rozcvička

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Cc. Umělecký stůl

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CD. Blížení elektronu

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Ce. Dračí chřtán

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Cf. Jak se nechat ozářit

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Cg. Králova koruna

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Ch. Napařovací

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Da. Písek, písek, písek

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Db. Planckova frekvence

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DC. Spočetná

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Dd. Tuhý a tužší

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De. Aby jim výtah dobře Shell

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Df. Bolometr říká, že...

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Dg. Je tu volno?

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Dh. Nehoda v LEPu

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Ea. Nekonečná trivka

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Eb. Poslední příhoda pana Kuličky

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Ec. Proton bumbác

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Ed. Přetopeno

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Ee. Dlážděná

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Ef. Konflikt datových formátů

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Eg. Milikanův experiment

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Eh. Nehoda v LEPu podruhé

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Fa. Nelineární kondenzátor 2

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Fb. Pružná voda z vesmírné stanice

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Fc. Asteroidové pole

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Fd. Dutoplaneta

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Fe. Chyba drátu

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Ff. Korigované kyvadlo

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Fg. Magnetické škrtidlo

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Fh. Nepříjemná propast

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Ga. Rovný děj

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Gb. Uhlíkové stáří

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2016

Czech Republic

Aa. šla Nanynka do zelí

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Ab. čtvrtmaraton

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AC. Stará raketa

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Ad. Nakloněná páka

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Ae. Animální přitažlivost

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Af. Zapomenutá voda

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Ag. Plovoucí poklad

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Ah. Dobře promazané

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Ba. Hustá

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Bb. Hra se stíny

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Bc. Zdlouhavá

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Bd. Mercurial

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Be. Náledí

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Bf. Střelba na pohyblivý cíl

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Bg. Neviditelná termoska

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Bh. Zaplatíš krví!

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Ca. Bum bác

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Cb. Vejde se?

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Cc. Světlo se ohýbá

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CD. Autobusová

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Ce. Rozbitý výtah

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Cf. Vstávat a cvičit

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Cg. Vodu si osladím

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Ch. Zapomenutý obvod

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Da. Náhle otočil o 360 stupňů

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Db. Nabíječ

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DC. Chvilka napětí

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Dd. Útok z hlubiny

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De. Literární

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Df. Duhovka

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Dg. Jak se zbavit momentu hybnosti?

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Dh. řádné horko

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Ea. Usměrňovač

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Eb. Kostky

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Ec. Poměřovací

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Ed. Kořalka

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Ee. Kalamita

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Ef. Cesta do školy

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Eg. Přímochlad

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Eh. Mřížka

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Fa. Hračka chudých dětí

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Fb. Není všechno ideální

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Fc. Planetka

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Fd. Planetární hydrostatika

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Fe. Obtížný hmyz

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Ff. Uranový důl

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Fg. Tajeme

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Fh. Elektromagnetický výtah

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Ga. Digamma

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2015

Czech Republic

Aa. Nestejné poloviny

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Ab. Ibyšta

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AC. Bum, prásk a praskne zrcadlo

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Ad. Symetrická

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Ae. Zahřívací

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Af. Silný proud

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Ag. finanční stránka výletu

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Ah. Interesantní případ překulení

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Ba. Stabilizace voru ledního medvídka

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Bb. Ztraceni

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Bc. Plastelínová srážka

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Bd. Jůů, Pendolíno!

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Be. Evakuace balonku

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Bf. Tlak v nitru Země

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Bg. Trefovaná

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Bh. Biopalivo

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Ca. Geosynchrotron

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Cb. Přetržení houpačky

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Cc. Kuličková dráha

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CD. Simulace LHC

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Ce. Proč se ta voda už nevaří?

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Cf. Rolling deep

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Cg. Aproximace řeky Styx

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Ch. Jednoduché fyzické kyvadlo

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Da. Dohola

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Db. Važme si váhy

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DC. V jednotě je síla

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Dd. Pružná

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De. Chytré housenky

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Df. Elektropřezmen

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Dg. Podivná impedance

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Dh. Nepružná

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Ea. A přece se točí konečným momentem hybnosti

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Eb. Ve stínu Coulomba

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Ec. Ekvidistantní drátěnka

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Ed. Kolo štěstí či experiment ve vyučovací hodině

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Ee. Kdo nedriftuje s námi. . .

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Ef. Tři holubi

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Eg. Toliko fotonů. . .

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Eh. Zlá lampa

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Fa. Nepředbíhat!

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Fb. Svažitá řeka

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Fc. Coda

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Fd. Absolutně černé kuře

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Fe. Laboratorní osvětlení

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Ff. Jako ve středověku

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Fg. Praktická ukázka Fyziky V

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Fh. Kdo jinému jámu kopá. . .

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Ga. Armageddon

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Gb. Elastická smyčka

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Gc. Twinkle, twinkle double star

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Gd. Proč ne komplexní?

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Ge. Magnetická vodka

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2014

Czech Republic

Aa. Z toho se nevykroutíš

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Ab. Na Měsíci

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AC. Zamilovaný král

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Ad. Alchymie

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Ae. Titanic

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Af. Cestou nejmenšího odporu

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Ag. Padající řetízek

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Ah. Hustá krychle

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Ba. Roztržitá voda

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Bb. Vrhni

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Bc. Termodynamická rozcvička

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Bd. Utahování opasků

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Be. Ekologické zasněžování

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Bf. Nemocné peníze

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Bg. Porcování planety

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Bh. Těžká váha

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Ca. Napětí v obvodu

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Cb. Smrt shůry

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Cc. Srážka

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CD. Beduínův bublifuk

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Ce. Bohatý elektrikář

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Cf. Pružinková

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Cg. Nech mě spát!

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Ch. Dvojlinka

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Da. Pyramida

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Db. Diskoráz

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DC. Aby jim výtah dobře Shell

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Dd. Biologická mřížka

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De. Aerodynamický tunel

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Df. Kdo neuteče, vyhraje!

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Dg. Došla ropa

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Dh. Odporné teplo

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Ea. Elektroskopové kuličky

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Eb. Ale proč dva?

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Ec. Vlnovod

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Ed. Blížení elektronu

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Ee. Dobře vybavená laborka

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Ef. Střelecké perpetuum mobile

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Eg. Tání ledu

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Eh. Nedotýkej se mě!

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Fa. Pružná voda z vesmírné stanice

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Fb. Skoromethan

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Fc. Obecná planetka

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Fd. Pružinkotyčový závěs

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Fe. Dvojlinka reloaded

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Ff. Mapy.cz

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Fg. Vodivé kolečko

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Fh. Vodivé kolečko reloaded

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Ga. Radar

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Gb. Nepříjemná propast

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Gc. Rakety

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2013

Czech Republic

Aa. Zpátečník

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Ab. Písky času

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AC. Těžký život se vzduchem

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Ad. Jezdkyně vysává

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Ae. Ozubená kolečka

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Af. Zasypaný Měsíc

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Ag. Brzdící

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Ah. WiFi

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Ba. Peking

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Bb. Tom a Jerry

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Bc. Dobrodružství ledové kostky

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Bd. Tužtička

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Be. Pátrání po předcích

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Bf. Kotva

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Bg. Home sweet home

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Bh. Vodečka

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Ca. Křivý úsměv

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Cb. Chyba

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Cc. Skokan mostní obecný

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CD. Elektrizující naviják

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Ce. Anihilační žárovka

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Cf. Vaření vody

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Cg. Zaseknutá koule

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Ch. Váhavé napětí

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Da. Mercurial

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Db. Pták narcisák

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DC. Kostečky

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Dd. Rande s fykosákem

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De. Audiofilská

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Df. Netopýří šampionát

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Dg. Vlnitý elektron na baterku

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Dh. Lomivka

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Ea. Sledování rychlého rozpadu

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Eb. Odraz od satelitu

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Ec. Akvárium

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Ed. Ruské kuželky

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Ee. Houpačka

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Ef. Neposedná či posedná destička

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Eg. Optická lavice

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Eh. Ohřev mléka

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Fa. Mariánský příkop vs. Mount Everest

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Fb. Svíčková

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Fc. Spravedlivý pan Gauss

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Fd. Kmit kmňak

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Fe. Kondíky

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Ff. Odporový koberec

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Fg. Potenciálně pokřivené vlny

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2012

Czech Republic

1. Běžec

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2. Zákeřné hmotnosti

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3. Oxid uhličitý

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4. černá díra

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5. Vodiče

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6. Nestrkej ty prsty do vrtule!

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7. Kytička Dominička

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8. Koule kuličky

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9. Vyžraný Měsíc

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10. Míček

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11. Výstup na Rysy

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12. Alkohol za řídítka nepatří

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13. Totální nasazení

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14. Brrroky

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15. Hdd

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16. Pružinky

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17. Pralovec

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18. Brzdíme

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19. Výparné

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20. Rotujeme

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21. Zlatá koule

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22. Zmatek na stole

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23. Bum do něj

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24. Dynamické kvádříky

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25. Trabant

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26. Od nuly k nule

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27. Výboj

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28. Popelka

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29. Rozhodčí v kotli

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30. Hups

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31. Ladička šla na Petřín

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32. Letadlo

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33. Válec

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34. Odporující hvězda

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35. Hra s míčem

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36. Modelářská

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37. Z pohádek bratří Grimmů

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38. Kohoutek

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39. Koberec naruby

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40. Výplach mozku

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41. Závaží na tyči

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42. Držíme kladky

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2011

Czech Republic

1. Záludné kvádry

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2. Kosmická loď

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3. Ledový měsíc

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4. Vypařující se hrnek

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5. Gravi-ele kyvadlo

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6. Náboje

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7. Slunce přibralo

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8. Vypuštěná koule

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9. Black box

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10. Vzduchovka reloaded

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11. Odstředivka

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12. žebřík navždy

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13. Neduhová

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14. Dělo

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15. Brzdíme

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16. Matfyzácký tělocvik

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17. Brýle na hovno

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18. Nabitá kapička

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19. Nikdo není dokonalý

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20. Podivuhodná trampolína

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21. Měříme Planckovu konstantu

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22. Osmistěnka

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23. čekání na mičudu

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24. Dutohlav

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25. Kosmická loď reloaded

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26. Koule pod zemí

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27. Klouzačka

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28. Rázovitý kraj

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29. Panďulák

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30. Urychlený pozitron

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31. Fontánka

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32. Zběsilá kulička

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33. Bláznivá zoo

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34. Rozbitý kondenzátor

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35. Vada na kráse

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36. Odporná trivialita

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37. Nekonečně nekonečná síť

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38. Fotíme krychli

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2010

Czech Republic

1. Rychle do školy

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2. Nereálný motor p

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3. Nemyslíš, zaplatíš

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4. Osa útočí

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5. Drtivý spad

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6. Hopskulka

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7. Odporné kombinace

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8. Reprák

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9. Ostřelovačská

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10. Dusíková zmrzlina

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11. Ekvilibrium

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12. Bungee

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13. . . . Drát!

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14. Pole

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15. Záludný trojúhelník

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16. Ještě záludnější trojúhelník

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17. Hmoťák

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18. Otočená tyč

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19. Faustova částice

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20. Garáž

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21. Drahá legrace

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22. žirafa

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23. Voscilace

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24. Jaká je de Broglie

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25. Dvanáctistěn

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26. Návrat slezských havířů

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27. Fe Guevara

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28. Skákající pterodaktyl

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29. Blik

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30. Nabité korále

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31. Koktejl

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32. Nejhorší ze všeho jsou trpaslíci

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33. Tenisový míček

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34. Frekvenční výhybka

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35. Vozík

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36. Měření rychlosti

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37. Pétanque

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38. Tuhé péro

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39. Všechno lítá

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40. Havárie

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2009

Czech Republic

Problem 1

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Problem 2

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Problem 3

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Problem 4

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Problem 5

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Problem 6

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Problem 7

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Problem 8

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Problem 9

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Problem 10

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Problem 11

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Problem 12

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Problem 13

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Problem 14

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Problem 15

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Problem 16

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Problem 17

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Problem 18

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Problem 19

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Problem 20

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Problem 21

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Problem 22

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Problem 23

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Problem 24

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Problem 25

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Problem 26

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Problem 27

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Problem 28

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Problem 29

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Problem 30

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Problem 31

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Problem 32

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Problem 33

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Problem 34

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Problem 35

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Problem 36

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Problem 37

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Problem 38

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Problem 39

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Problem 40

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2008

Czech Republic

1. Dvacet metrů pod mořem

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2. Kombinační

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3. čočkule

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4. Gravitační frekvenční posuv

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5. Apollo

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6. Adiabatický oscilátor

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7. Antireflexní vrstva

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8. Zrcadla aneb, kdo je hezčí

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9. Divné kyvadlo

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10. Kmitohrátky

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11. Tenisová úloha

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12. Expanze plynu

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13. Bóje

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14. Nabitý prstýnek

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15. Elektron a cívka

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16. Gumová tyč

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17. Loďka na Vltavě

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18. Počasíčko

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19. Velká bankovní loupež

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20. Píst

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21. Cesta z města

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22. Nová generace

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23. Oční

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24. Zabedněné kostky

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25. Neděle v balóně

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26. Stvořte bublinu

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27. Měděná koule

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28. Ladění varhan

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29. Hopsadlo

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30. Drtivý dopad

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31. Stlačování vzduchu

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32. Dva válce

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33. černá družice

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34. člověk na voru

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35. Meteoroid

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36. Pavouk a moucha

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37. Podivná dioda

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38. Infantilní

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39. Skleněné destičky

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40. Baterka

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2006

Czech Republic

1. Mouchy

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2. Přemisťování kostky

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3. Tělesa na kladce

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4. žebřík

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5. Závažíčko na kouli

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6. Odpor čtyřstěnu

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7. Rozsah ampérmetru

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8. čočky

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9. Kondenzátor

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10. Smyčka jako proměnný odpor

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11. Hustoměr

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12. Vodní planeta

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13. Dvě kapičky

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14. Loďka

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15. Práce z tepla

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16. Hodinky

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17. Dědeček a řepa

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18. Zrcadlo z rtuti

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19. Skok do dálky

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20. Houkající lokomotiva

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21. Polopropustná zrcadla

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22. Vlak z Helsinek

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23. Bruslař

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24. Netradiční ohřívání čaje

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25. Jak rychlá je lokomotiva?

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26. Proděravěná nádoba

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27. Kulička na vlákně

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28. Srážka dvou kamenů

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29. Akvárium

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30. želvičky

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31. Mravenec na provázku

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32. Kolotoč

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33. Kapička

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34. Vlak v zatáčce

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35. Válec

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36. Dadarinův stroj

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37. Dvě kosmické lodi

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38. Coulomb versus Newton

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39. Vodík a kyslík

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40. Skály

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41. Dvě bubliny

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42. Skleněný půlválec

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