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August 22, 2014

Homework Help: physics

Posted by Madi on Tuesday, March 15, 2011 at 11:25am.

From a tree that is 15m tall, a fruit of mass 2kg falls to the ground. (a) find the initial GPE (b) find the speed at impact (c) find the KE at impact (d) how much energy was lost to heat and sound after the mass came to rest?

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