physics

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a .50 kg ball traveling at 6.0 m/s collides head on with a 1.0 kg ball moving in the opposite direction at a velocity of -12.0 m/s. The .50 kg ball moves away at -14 m/s after the collision. Find the velocity of the second ball.

  • physics -

    conservation of momentum:

    .5*6+1*(-12)=.5(-14)+1*V

    solve for V

  • physics -

    -2m/s

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