Answer
2.57Btu
Work Step by Step
Use the formula for the total potential energy
PE=mgz=(200lbm)$\times$(32.2ft$/s^{2}$)$\times$(10ft)($\frac{1Btu/lbm}{25,037ft^{2}/s^{2}}$)
=2.57Btu
Thermodynamics: An Engineering Approach 8th Edition
by Cengel, Yunus; Boles, Michael
Published by
McGraw-Hill Education
ISBN 10:
0-07339-817-9
ISBN 13:
978-0-07339-817-4
Chapter 2 - Energy, Energy Transfer, and General Energy Analysis - Problems - Page 97: 2-9E
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