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July 28, 2015

Homework Help: Physical Science

Posted by Totally Lost!! on Thursday, January 29, 2009 at 12:38pm.

I need to know what equations to use!
(A)How much work is done moving a 2.0Kg book to a shelf 2.00m high? (B) What is the change of potential energy of the book as a result? (C) How much kineetic energy will the book have as it hits the ground when it falls?

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