Potential, Kinetic, Efficiency

• At the top of the slide
• At the bottom of the slide

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• At the top of the slide
• At the bottom of the slide

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At which point on the roller coaster does the cart experience about equal amounts of potential AND kinetic energy?

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• 2

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• 4

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• W
• X
• Y
• Z

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Where does the ball have the greatest potential energy and least kinetic energy?

• A

• B

• C

• D

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When does the slingshot have the greatest amount of elastic potential energy?

• Point 1: before it is stretched

• Point 2: when it is fully stretched

• Point 3: while it in motion

• when it comes to a complete stop (not pictured)

A roller coaster is halfway down a slope. Which of the following is true about potential and kinetic energy?

• the amount of potential energy decreases, but the amount of kinetic energy does not change.

• the amount of kinetic energy is equal to one-half of the potential energy.

• as the potential energy decreases, the kinetic energy decreases.

• as the kinetic energy increases, the potential energy decreases.

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At which point on the roller coaster will the car have the greatest amount of kinetic energy?

• W

• X

• Y

• Z

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