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: 128a

Answer

9.19 m/s

Work Step by Step

The pole is 4.3m long and the firefighter starts at rest. As he falls, his acceleration will be g = 9.81 $m/s^2$ To find his final velocity we use the equation: $v^2 = v_{0}^2 + 2a\Delta x$ we find that v = 9.19 m/s
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