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23 September, 08:15

How much did the center of mass of the person-boat system move when the person walked from one end to the other?

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  1. 23 September, 10:37
    0
    Zero

    Explanation:

    Unless there's external force outside the person-boat system, which in this case there's not. According to Newton's first law, this yields a zero change in velocity of the system. If the system is at rest before, its velocity and position stay unchanged. So the center of mass of the person-boat system does not move.
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