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Change in Momentum and Impulse

AP Physics 1· difficulty 2/5

A 0.5 kg0.5~\text{kg} ball at 6 m/s6~\text{m/s} hits a wall and sticks. The impulse from the wall on the ball is

  • A

    1.5 N⋅s1.5~\text{N·s}

  • B

    6 N⋅s6~\text{N·s}

  • C

    00

  • D

    3 N⋅s3~\text{N·s}

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Explanation

Δp=0−(0.5)(6)=−3 kg⋅m/s\Delta p = 0 - (0.5)(6) = -3~\text{kg·m/s}. Magnitude 3 N⋅s3~\text{N·s}.

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