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: 2c

Answer

Work= 339570 Joules

Work Step by Step

Force of gravity= 825kg $\times$ 9.8m/$s^{2}$ $F_{g}$= 8085N Distance= h h=42m--- Work= $F_{g}$$\times$Distance Work=8085N $\times$ 42m Work= 339570 Joules

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