Homework Help: physical science

Posted by sharmeka on Monday, November 15, 2010 at 4:27pm.

a 250-kg rock falls off a cliff and comes to rest on the ground, which is 40 m below the cliff . At what point is the rock's potential energy at maximum?

physical science - bobpursley, Monday, November 15, 2010 at 5:07pm
GPE is a max at the top of the cliff.

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