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April 24, 2014

Homework Help: physics

Posted by jen on Thursday, August 19, 2010 at 12:41am.

You drop a ball from a height of 2.0 m and it bounces back to a height of 1.5 m (a) What fraction of its initial energy is lost during the bounce? (b) What is the ballís speed just at it leaves the ground after the bounce?

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