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Gravity on the Moon is about 1/6th that on the Earth. A pole-vaulter 2 metres tall can clear a 5 metres pole on the Earth. How high a pole could he clear on the Moon?

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High Jumping

How high can a high jumper jump? How can a high jumper jump higher without jumping higher? Read on...

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Escape from Planet Earth

How fast would you have to throw a ball upwards so that it would never land?

Whoosh

Stage: 5 Challenge Level: Challenge Level:1
The motion here combines conservation of energy on the frictionless chute, then conservation of momentum at impact and finally a horizontal projectile.