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Get Full Access to Physics: Principles With Applications - 6 Edition - Chapter 7 - Problem 16pe
Get Full Access to Physics: Principles With Applications - 6 Edition - Chapter 7 - Problem 16pe

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# A hydroelectric power facility (see Figure 7.38) converts

ISBN: 9780130606204 3

## Solution for problem 16PE Chapter 7

Physics: Principles with Applications | 6th Edition

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Problem 16PE

A hydroelectric power facility (see Figure 7.38) converts the gravitational potential energy of water behind a dam to electric energy. (a) What is the gravitational potential energy relative to the generators of a lake of volume 50.0 km3 (mass = 5.00×1013 kg), given that the lake has an average height of 40.0 m above the generators? (b) Compare this with the energy stored in a 9-megaton fusion bomb

Step-by-Step Solution:

Step-by-step solution 16PE Step 1 of 2 (a) The gravitational potential energy of an object of mass at a height is Substitute for , for , and for in the above equation. Hence, the gravitational potential energy of the water is .

Step 2 of 2

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