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Linear Momentum

AP Physics 1· difficulty 2/5

A 0.5 kg0.5~\text{kg} ball moving east at 4 m/s4~\text{m/s} has momentum

  • A

    2 kg⋅m/s2~\text{kg·m/s} east

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  • B

    8 kg⋅m/s8~\text{kg·m/s} east

  • C

    2 kg⋅m/s2~\text{kg·m/s} west

  • D

    0.5 kg⋅m/s0.5~\text{kg·m/s} east

Explanation

p=mv=2.0 kg⋅m/sp = m v = 2.0~\text{kg·m/s} in the direction of motion.

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