10_28_2D_Momentum - 2-D Momentum PP20 1) A 2kg ball (1)...

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2-D Momentum PP20 1) A 2kg ball (1) moving left at 20m/s collides with a stationary ball (2) of mass m 2 = 3kg. Ball 1 moves off at the angle θ 1 with velocity 1, f v r after the collision. All angles are measured with respect to the incoming velocity vector of ball 1. In all the following cases, draw a vector that represents the change in momentum of ball 1, 1 p r , during the collision. Then find the velocity vector for ball 2 after the collision
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