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It all depends on what surface it bounces on.

Either the ball or the surface changes shape. A rubber ball changes it's shape, but a marble changes the shape of the surface it bounces on. And if the change is only temporary, it snaps back to it's original shape, and the ball bounces.

But some energy is lost in the process, and the ball bounces lower each time.

Generally a hard surface will make a hard ball bounce higher, since they hardly change shape, and they keep more of their energy. So on an ideal surface a marble would bounce higher than a rubber ball, as long as it doesn't break.

Check out liquid metal: http://www.liquidmetal.com/media/ball_bounce_DSL.wmv

Skrommel

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15y ago

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