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March 26, 2015

March 26, 2015

Posted by **Joe** on Sunday, September 5, 2010 at 3:31pm.

- physics -
**Damon**, Sunday, September 5, 2010 at 3:49pmIf the collision with the ground is perfectly elastic it will bounce back up to 2m. Otherwise you have to know how squishy the collision was.

- physics -
**drwls**, Sunday, September 5, 2010 at 4:01pmThe density of the ball, 34 g/cm^3, is higher than that of any known material outside a star. Even uranium has a density about half that.

Did you make up that question? Perhaps someone is playing a practical joke with this question.

If you dropped that ball on concrete, it would probably leave send pieces of concrete flying, leave a crater, and bounce poorly.

- physics -
**joe**, Sunday, September 5, 2010 at 11:56pmdrwls- so the answer cannot be determined?

- physics -
**drwls**, Monday, September 6, 2010 at 12:12amCorrect. An experiment would be needed to establish the fractional energy loss per bounce.

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