Translational Kinetic Energy

AP Physics 1· difficulty 1/5

If an object's speed doubles, its kinetic energy

  • A

    Quadruples

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  • B

    Doubles

  • C

    Stays the same

  • D

    Halves

Explanation

K=12mv2K = \tfrac{1}{2}m v^2, so Kv2K \propto v^2. Doubling vv4K4K.

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