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physics

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A 2000 kg truck is at rest at a stop sign. A 1100kg car collides head-on with the truck. The car was moving at 15.0m/s before the collision if the collision was completely inelastic, what is the velocity of the car and the truck after the collision?

  • physics -

    m1•0+m2•v2=(m1+m2)v
    v=m2•v2/(m1+m2)

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