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11 June, 11:56

A 1,700 kg car is being used to give a 1,400 kg car a push start by exerting a force of

140 N. The impulse on the smaller car during the 30.0 s of contact is + 670 kg•m/s.

What is the impulse of the smaller car on the larger car?

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Answers (1)
  1. 11 June, 12:29
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    - 670 kg. m/s

    Explanation:

    Newton's third law states that to every action, there is equal and opposite reaction force. Since the force will be same but different in direction and acted in the same time then the impulses (force multiply by time) of the two car be same in magnitude but different in direction - 670 kg. m/s
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