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18 September, 21:56

before colliding, the momentum of block A is + 25.0 kg*m/s, and block b is + 35.0 kg*m/s. after, block a has a momentum + 60.0 kg*m/s. what is the momentum of block b afterwards?

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  1. 18 September, 23:58
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    0 kg*m/s

    Explanation:

    The law of conservation of momentum states that the total momentum of a closed system is conserved. It means that the sum of momentum of individual objects in a closed system remains the same throughout.

    For this system, the total momentum of the system before collision is + 25+35 = + 60;

    After collision:

    60 = momentum of block A + momentum of block B

    60=60+x, where x is the momentum of block B. Evaluate x.
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