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: 3f

Answer

-167 Joules

Work Step by Step

The new condition, that U=100J at y=0, is irrelevant in this equation. No values are changed and the answer remains the same. ---ΔU=Mass×Acceleration of Gravity×ΔHeight ΔU=(.2kg)(9.8m/s2)(1.5m-10m) ΔU= -167 Joules
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