Power Video Lessons

Video Thumbnail

Concept

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.

FREE Expert Solution
84% (225 ratings)
Problem Details
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.

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Power concept. You can view video lessons to learn Power. Or if you need more Power practice, you can also practice Power practice problems.