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A ball whooshes down a slide and hits another ball which flies off the slide horizontally as a projectile. How far does it go?

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Cannon Balls

How high will a ball taking a million seconds to fall travel?

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Weekly Challenge 13: Comet Catastrophe

A weekly challenge: these are shorter problems aimed at Post-16 students or enthusiastic younger students.

Pool Shot

Stage: 5 Short Challenge Level: Challenge Level:2 Challenge Level:2

Try to use symmetry to make a situation much easier.