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AP Physics B Practice Exam

Category - Introductory Physics

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A cart at the top of a hill is released and rolls down the hill. Which of the following describes the energy of the cart just as it reaches the bottom of the hill?
  1. The cart has no energy.
  2. The cart has maximum kinetic energy.
  3. The cart has maximum gravitational potential energy.
  4. The cart has equal gravitational potential and kinetic energy.
Explanation
Answer: B - The cart has maximum kinetic energy.
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