Homework Help: Physics

Posted by Amanda and Leah on Wednesday, December 7, 2011 at 10:02pm.

In starting an exercise, a 1.60-m tall person lifts a 2.10 kg book from the the ground so it is 2.20m above the ground. What is the potential energy of the book relative to (a) the ground,and(b) the top of the persons head? (c) What is the work done by the person in part(a)?

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