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Collisions mechanics question

  1. Apr 15, 2012 #1
    A smooth spherical particle with mass 2.5 kg collides with a second smooth spherical
    particle of mass 6kg. Before the collision, the first particle has velocity 9ms^1
    in the positive x-direction while the second particle has velocity 6ms^1 in the positive y-direction. At the instant of collision, the particles are so that the normals to their surfaces at the point of contact are ±n, where n
    is a unit vector inclined at -pi/4 from the x-axis as shown. You may assume that the coefficient of restitution e = 2/3 and that no other forces are involved. Determine the velocities v1,1 and v2,1 of the first and second particles respectively, immediately after the collision.
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  3. Apr 16, 2012 #2


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