## Fundamentals of Physics Extended (10th Edition)

Published by Wiley

# Chapter 8 - Potential Energy and Conservation of Energy - Problems: 2b

#### Answer

Work= 169785 Joules

#### Work Step by Step

Force of gravity= 825kg $\times$ 9.8m/$s^{2}$ $F_{g}$= 8085N Distance= h/2--- Work= $F_{g}$$\times$Distance Work=8085N $\times$ 21m Work= 169785 Joules

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