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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?
How high can a high jumper jump? How can a high jumper jump higher without jumping higher? Read on...
A ball whooshes down a slide and hits another ball which flies off the slide horizontally as a projectile. How far does it go?