Homework Help: physics

Posted by katie on Monday, December 17, 2007 at 2:29pm.

A student librarian picks up a 2.2 kg book from the floor to a height of 1.15 m. He carries the book 8.0 m to the stacks and places the book on a shelf that is 0.35 m above the floor. How much work does he do on the book?

physics - kam, Thursday, December 8, 2011 at 8:31pm
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