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Elastic and Inelastic Collisions

AP Physics 1· difficulty 2/5

A 2 kg2~\text{kg} cart at 3 m/s3~\text{m/s} collides with and sticks to a 4 kg4~\text{kg} cart at rest. Common final velocity?

  • A

    0.5 m/s0.5~\text{m/s}

  • B

    1.5 m/s1.5~\text{m/s}

  • C

    2.0 m/s2.0~\text{m/s}

  • D

    1.0 m/s1.0~\text{m/s}

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Explanation

(2)(3)=6v′⇒v′=1.0 m/s(2)(3) = 6 v' \Rightarrow v' = 1.0~\text{m/s}.

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