# Problem: In a hydroelectric dam, water falls 30.0 m and then spins a turbine to generate electricity. You may want to review (Pages 234 - 238).What is exttip{Delta U}{DeltaU} of 1.0 kg of water?Suppose the dam is 80% efficient at converting the waters potential energy to electrical energy. How many kilograms of water must pass through the turbines each second to generate 51.0 MW of electricity? This is a typical value for a small hydroelectric dam.

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In a hydroelectric dam, water falls 30.0 m and then spins a turbine to generate electricity.

You may want to review (Pages 234 - 238).

What is of 1.0 kg of water?

Suppose the dam is 80% efficient at converting the waters potential energy to electrical energy. How many kilograms of water must pass through the turbines each second to generate 51.0 MW of electricity? This is a typical value for a small hydroelectric dam.

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