2. What is one way to store energy using: a. Kinetic energy b. Potential energy

Question

2. What is one way to store energy using: a. Kinetic energy b. Potential energy c. Electrochemical energy 3. If the current water level and flow rate of a river lead to 50,000,000 watts of power at a given time, What is the approximate amount of electric power that we could get from using a Francis hydro turbine? a. b. How much energy could we get in one full day (24 hours)? If a generator provides 40 Mw of power, but 56 Mw is lost due to heat and other uncontrollable factors, what is the efficiency of the generator? 4·

Explanation / Answer

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2a. Kintetic energy can be stored in a spinning flywheel, which is the case in clutches of automobiles.

2b. Potential energy can be stored in a mass taken to an altitude. For example, water filled in an elevated tank has stored potential energy which it uses when flowing down into the taps.

2c. Electrochemical energy is found in batteries, which uses this energy to produce current when connected in a circuit.

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