Potential and Kinetic Energy Review

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What is potential energy?

Back

Potential energy is the energy stored in an object due to its position or state. It has the potential to be converted into kinetic energy.

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What is kinetic energy?

Back

Kinetic energy is the energy an object possesses due to its motion. It depends on the mass and speed of the object.

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Where is potential energy the greatest on a roller coaster?

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Potential energy is greatest at the highest point of the roller coaster.

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How can you increase the potential energy of an object on a ramp?

Back

You can increase the potential energy by using a taller ramp.

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What happens to potential energy as a roller coaster goes downhill?

Back

As a roller coaster goes downhill, potential energy is converted into kinetic energy.

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What is the formula for kinetic energy?

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The formula for kinetic energy (KE) is KE = 1/2 mv², where m is mass and v is velocity.

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What is the relationship between potential energy and height?

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Potential energy increases with height; the higher an object is, the more potential energy it has.

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What type of energy does a stretched rubber band have?

Back

A stretched rubber band has elastic potential energy.

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What is gravitational potential energy?

Back

Gravitational potential energy is the potential energy an object has due to its height above the ground, calculated as PE = mgh, where m is mass, g is acceleration due to gravity, and h is height.

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How does mass affect kinetic energy?

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Kinetic energy increases with mass; if two objects are moving at the same speed, the one with greater mass will have more kinetic energy.

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