Question: A river with a 20,000 m3 volume, running at 7 m/s moves a turbine to produce electricity. Assuming all the kinetic energy is used to

A river with a 20,000 m3 volume, running at 7 m/s moves a turbine to produce electricity. Assuming all the kinetic energy is used to light up a 100-watt lightbulb in a house, estimate the number of hours this lightbulb will be on

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