Which of the following statements is true regarding potential energy and kinetic energy? (a)...

Question:

Which of the following statements is true regarding potential energy and kinetic energy?

(a) Water at the top of the dam has potential energy, water falling through a dam has kinetic energy. The moving water performs work by moving the blades of turbines in the dam to generate electricity.

(b) Water gains kinetic energy as it falls through a dam, water uses potential energy as it moves the blades of turbines in the dam to generate electricity.

(c) Water gains potential energy as it falls through a dam, water uses kinetic energy as it moves the blades of turbines in the dam to generate electricity.

(d) Water at the top of the dam has kinetic energy, water falling through the dam has potential energy. The moving water performs work by moving the blades of turbines in the dam to generate electricity.

Mechanical Energy:

The mechanical energy of a system comprises of the potential energy and the kinetic energy. The kinetic energy of a system is due to its velocity.

The potential energy is the energy of the system due to its position or arrangement. The potential energy and kinetic energy are interconvertible.

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Answer and Explanation: 1

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Let us analyze the energy of the water falling from a dam.

When the water is at the top of the dam above the ground level than due to its position it...

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What is Potential Energy? - Definition & Examples

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Chapter 17 / Lesson 9
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Learn the definition of potential energy. Understand how potential energy is stored and affected. Explore what potential energy types are and review examples.


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