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physics

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A 3.35 kg ball moving at 4.20 m/s to the right hits a 2.45 kg ball head-on that is traveling at 3.50 m/s to the left. The second ball ends up going to the right with a velocity of 5.50 m/s. What is the velocity of the first ball after the collision?

  • physics -

    Momentum:
    momentum before=momentum after
    3.35*4.2+2.45(-3.50)=2.45(-5.5)+3.35V solve for V

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