problem07_81

# University Physics with Modern Physics with Mastering Physics (11th Edition)

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7.81: The potential energy of a horizontal layer of thickness dy , area A , and height y is gy dm dU ) ( = . Let ρ be the density of water. . so , dy Agy dU dy A dV dm ρ ρ ρ = = = The total potential energy
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Unformatted text preview: U is . kWh 10 2 . 9 J 10 3 . 3 so , m 150 and m 10 . 3 . 7 14 2 6 2 2 1 × = × = = × = = = = ∫ ∫ U h A Ah ydy Ag dU U h h...
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