TEKS 6.8(A) Compare and Contrast PE and KE

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Which statements accurately describe the potential and kinetic energy of this bicyclist?

• Kinetic energy increases.

  Potential energy decreases.

• Kinetic energy increases,

  Potential energy remains constant.

• Kinetic energy remain constant,

  potential energy decreases.

• Kinetic energies remains constant,

  Potential energy increases.

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Roller coasters are popular attractions at amusement parks. A cart on a roller coaster approaches the highest point on the coaster. As the cart reaches the top, it slows down.

Which statement best describes the energy of the roller coaster as it slows down while traveling to the top of the coaster?

• The cart gains both kinetic and potential energy.

• The cart gains kinetic energy and loses potential energy.

• The cart loses kinetic energy and gains potential energy.

• The cart loses both kinetic and potential energy.

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Which answer choice correctly describes the ball's kinetic and potential energy?

• The ball has more potential energy at position x than at position Z.

• The ball has more kinetic energy at position Y than at position W.

• The potential energy and kinetic energy of the ball are equal at position X.

• The potential energy and kinetic energy of the ball are greatest at Z.

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At which location does the marble have maximum kinetic energy?

• Location W

• Location X

• Location Y

• Location Z

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Which of these correctly describes the potential energy and the kinetic energy of the bicycle rider?

• When the rider is at the top of the hill, her potential energy is the greatest, and her kinetic energy is the least.

• As the rider moves up the hill, her kinetic energy increases, and her potential energy decreases.

• When the rider goes down the hill, her potential energy increases, and her kinetic energy decreases.

• As the rider reaches the bottom of the hill, her kinetic energy and her potential energy decreases.

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Which statement best describes the energy of the two airplanes?

• Airplane W has a greater kinetic energy than Airplane X.

• The two airplanes have the same gravitational potential energy but different kinetic energies.

• Airplane X has more gravitational energy than Airplane W.

• The two airplanes have the same kinetic energy but different gravitational potential energies.

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• Location W

• Location X

• Location Y

• Location Z

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• Position 1

• Position 2

• Position 3

• Position 4

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