9. Work & Energy
Power
3:23 minutes
Problem 10
Textbook Question
Textbook QuestionIn a hydroelectric dam, water falls 25 m and then spins a turbine to generate electricity. (b) Suppose the dam is 80% efficient at converting the water's potential energy to electrical energy. How many kilograms of water must pass through the turbines each second to generate 50 MW of electricity? This is a typical value for a small hydroelectric dam.
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