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2 people,1 with 3 times the mass of the other, attempt a tug-of-war on frictionless ice. Show that the heavier person will gain a speed 1/3 that of the lighter person.

  • PHYSICS - ,

    momentum before = 0*m + 0 * 3m = 0
    momentum after =u *m + v*3m
    momentum after = momentum before
    vm = -um/3
    v = -u/3

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