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If a fast-moving object strikes you, you'll experience less force of impact if you can ____________________.
A) increase the time the momentum decreases.
B) shorten the time the momentum decreases.
C) either shorten or increase the time, for the result is the same.

  • pop -

    F * time = change of momentum
    the longer the time, the less the force.
    (use springy helmet)

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