Potential and Kinetic Energy Review

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What is potential energy?

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

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What is kinetic energy?

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Kinetic energy is the energy of an object in motion. It depends on the mass of the object and the speed at which it is moving.

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How is potential energy calculated?

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Potential energy (PE) can be calculated using the formula: PE = mgh, where m is mass, g is the acceleration due to gravity, and h is the height above the ground.

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How is kinetic energy calculated?

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Kinetic energy (KE) can be calculated using the formula: KE = 1/2 mv², where m is mass and v is the velocity of the object.

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What happens to potential energy as an object falls?

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As an object falls, its potential energy decreases while its kinetic energy increases, conserving the total mechanical energy.

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What is the relationship between potential and kinetic energy on a roller coaster?

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On a roller coaster, potential energy is highest at the top of the hills, while kinetic energy is highest at the lowest points of the track.

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What factors affect potential energy?

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Potential energy is affected by the height of the object and its mass. The greater the height and mass, the more potential energy it has.

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What factors affect kinetic energy?

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Kinetic energy is affected by the mass of the object and its velocity. The greater the mass and speed, the more kinetic energy it has.

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What is gravitational potential energy?

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Gravitational potential energy is the potential energy an object possesses due to its position in a gravitational field, typically related to its height above the ground.

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What is mechanical energy?

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Mechanical energy is the sum of potential energy and kinetic energy in a system. It is the energy associated with the motion and position of an object.

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