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Two dimensional elastic collision

  1. Oct 26, 2009 #1
    1. The problem statement, all variables and given/known data

    Two asteroids of equal mass in the asteroid belt between Mars and Jupiter collide with a glancing blow. Asteroid A, which was initially traveling at 40.0 m/s with respect to an inertial frame in which asteroid B was at rest, is deflected 30.0 degrees from its original direction, while asteroid B travels at 45.0 degrees under the x-axis.

    I need to find the final velocities of both asteroids.


    2. Relevant equations
    402 = VA2 + VB2


    3. The attempt at a solution
    40 cos 30 and more like that but it's obviously wrong
     
  2. jcsd
  3. Oct 27, 2009 #2

    kuruman

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    Homework Helper
    Gold Member

    You need to conserve momentum in the x and y directions.
     
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