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Velocities of balls after 2D collision

  1. May 9, 2004 #1
    If a ball at 5m/s struck two stationary balls and it is repelled back at -3m/s at an angle of 15 degrees, what would be the velocity of ball #2 if ball #1 traveled at 1m/s and 10 degrees from the normal?
     
  2. jcsd
  3. May 9, 2004 #2
    Need more information. Masses of the balls?

    cookiemonster
     
  4. May 10, 2004 #3
    The masses of the balls are constant at 2kg
     
  5. May 10, 2004 #4

    arildno

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    Science Advisor
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    Dearly Missed

    Use conservation of momentum for C.M
     
  6. May 10, 2004 #5
    but how do I take the angles into account?
     
  7. May 10, 2004 #6

    Doc Al

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    Staff: Mentor

    components

    Treat x and y components of momentum separately. (Call the original direction the x-axis.)
     
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