Answer
–13.1 J
Work Step by Step
In Problem 7a, we found that the work done by the gravitational force was W = – $\Delta$U = 13.1 J. Therefore the change in gravitational potential energy $\Delta$U = –13.1 J.
Fundamentals of Physics Extended (10th Edition)
by Halliday, David; Resnick, Robert; Walker, Jearl
Published by
Wiley
ISBN 10:
1-11823-072-8
ISBN 13:
978-1-11823-072-5
Chapter 8 - Potential Energy and Conservation of Energy - Problems - Page 202: 7b
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