Question

2. Explain why a downward push makes it bounce back to the height from which it is dropped?

Answer 1

As it falls, it starts losing it's potential energy and speeds up to get more kinetic energy. When it hits the floor it has no potential energy, but lots of kinetic energy. ... Remember that the ball bounces back up to a height lower than it started, so after one bounce it has less potential energy than it started with.

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