Monday
November 24, 2014

Homework Help: physics

Posted by henry on Sunday, December 6, 2009 at 10:41pm.

7. A 2000.0 kg boulder sits on the top of a 50.0 m cliff. As the boulder rolls off, it loses 3.0% of its mechanical energy as heat. How much heat energy goes the boulder lose? How much mechanical energy does the boulder have right before hits the ground?

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