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Need Check on Collision Question

  1. Nov 21, 2007 #1
    1. The problem statement, all variables and given/known data

    A mass 1 is moving at a constant velocity and collides with a ball of mass 2 that is at rest. What are the final velocities of the masses and the direction of the velocity?

    Mass 1 = 4.35kg
    Initial Velocity of mass 1= 2m/s
    Mass 2 = 4.00
    Initial Velocity of mass 2 = 0 m/s

    3. The attempt at a solution

    I calculated .0838 m/s for the mass 1 and 2.08 m/s for mass 2. I used momentum to calculate the answers. Can anyone check this?
  2. jcsd
  3. Nov 21, 2007 #2


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    That's right. But you didn't just use momentum, did you? You used energy as well.
  4. Nov 21, 2007 #3
    yes I used both together. Thanks
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