Fundamentals of Physics Extended (10th Edition)

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 212: 130b

Answer

$\Delta U_g = -1.0~J$

Work Step by Step

We can find the change in gravitational potential energy: $\Delta U_g = mgy_2-mgy_1$ $\Delta U_g = mgy_2-0$ $\Delta U_g = (20~N)(-0.050~m)$ $\Delta U_g = -1.0~J$
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