Answer
PE= 169785 Joules
Work Step by Step
PE=mgh/2
m= 835kg
h/2=21m---PE=835$\times$9.8$\times$21
PE=169785 Joules
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: 2d
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