# physics

Advertisements for A toy balk once stated that it would rebound to a height greater than the hethe height from which it was dropped. Is this possible?

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1. Yes, if the rebound is geared to supply more energy to it. Here is a toy that is really neat: http://www.funscienceforgirls.com/2011/04/mini-monday-momentum-from-bouncing.html

I love to do this demo. Warning: the top ball flies off at tremendous velocity.

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