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April 18, 2014

April 18, 2014

Posted by **Sasha** on Sunday, August 15, 2010 at 10:28am.

- Physics -
**drwls**, Sunday, August 15, 2010 at 10:44am(a) It equals the fraction of the potential energy that is lost, at max weight. That looks like 1/4 in this case.

(b) To achieve 3/4 of the previous max height, you need the bounceback speed to be sqrt(0.75) = 0.866 of the speed just before inpact

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