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Homework Help: Collision of pucks elastic?

  1. Oct 22, 2009 #1
    1. The problem statement, all variables and given/known data
    Consider the collision between two hockey pucks in the figure below. They do not stick together. Their speeds before the collision are v1i = 30 m/s and v2i = 10 m/s. It is found that after the collision one of the pucks is moving along x with a speed of 6 m/s. What is the final velocity of the other puck? v1 is in second quadrant with 30 degrees from x axis going south east, and v2 is on the y axis going up.

    2. Relevant equations30cos30, 30sin30, 10cos270, and 10sin270

    3. The attempt at a solution
  2. jcsd
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