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March 25, 2017

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A car (mass = 1070 kg) is traveling at 40 m/s when it collides head-on with a sport utility vehicle (mass = 2570 kg) traveling in the opposite direction. In the collision, the two vehicles come to a halt. At what speed was the sport utility vehicle traveling?

  • Physics - ,

    if they come to a halt, then the total momentum is zero, and since it was conserved, the original momenum was zero.

    MV+mv=0
    V=-mv/M

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