## Fundamentals of Physics Extended (10th Edition)

Published by Wiley

# Chapter 8 - Potential Energy and Conservation of Energy - Problems: 116a

#### Answer

39318 Joules/second

#### Work Step by Step

Since gravitational potential energy is U = mgd, then as the diver falls, the difference in his potential energy would be $\Delta U = mg\Delta d$. The change in his position over time is his velocity, which we are told is 59 m/s. Therefore the potential energy is decreased by 39318 Joules/second

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