A 0.30-kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.20-kg puck that is initially moving along the x-axis with a velocity of 5.3 m/s. After the collision, the 0.20-kg puck has a speed of 3.2 m/s at an angle of  θ = 53°  to the positive x-axis. (a) Determine the velocity of the 0.30-kg puck after the collision. magnitude       =                                 m/s direction   =                                ° from the positive x-axis (b) Find the fraction of kinetic energy lost in the collision.     |ΔKE|/KEi =                 %

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