Explanation The energy of the water required to pump it to the given height is equal to the gravitational potential energy of water at the same height. Given: Time, t = 1 hr t = 3600 s Power, P = 180 MW P = 180 × 10 6 W The height of the upper reservoir with respect to the lower one is h = 380 m . The density of water is d = 1.0 × 10 3 kg m 3 . Formula used Energy and power are related as E = P t , P is the power and tis the time. Gravitational potential energy is given as, W = m g h W = V d g h Here, V is volume and dis density

7th Edition

ISBN: 9780321625922

Author: Douglas C. Giancoli

Publisher: Addison-Wesley

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Chapter 6, Problem 93GP

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The volume of water to be pumped from lower to the upper reservoir

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Chapter 6, Problem 92GP

Chapter 6, Problem 94GP

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Chapter 6 Solutions

Physics: Principles with Applications

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