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 202: 3e

Answer

167 Joules

Work Step by Step

The new condition, that U is 100J at y=0, is irrelevant in calculating this question. All of the data remains the same and the answer is the same ---Work= Force×Distance Distance=D-d FG=mg Distance=10m-1.5m Distance=8.5m FG=2kg×9.8m/s2 FG=19.6N Work=19.6N×8.5m Work=167Joules
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