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A 1200 kg car is traveling at 45 km/h and hits a 1000 kg car parked on the edge of a 70 m deep canyon. What is the velocity of the two car wreck?

  • physics -

    momentum is conserved.

    M1*V1+0=(M1+M2)V solve for V I would change km/h to m/s

  • physics -

    M1*V1 + 0 = (m1+m2)V
    1200V1 = 2200*45
    1200V1 = 99000
    V1 = 99000/1200
    V1 = 82.5km/h

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