Each second, 1200 m3 of water passes over a waterfall 100 m high. Three-fourths of the
Chapter 8, Problem 85(choose chapter or problem)
Each second, 1200 m3 of water passes over a waterfall 100 m high. Three-fourths of the kinetic energy gained by the water in falling is transferred to electrical energy by a hydroelectric generator. At what rate does the generator produce electrical energy? (The mass of 1 m3 of water is 1000 kg.)
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