Two identical hockey pucks moving with initial velocities v_A and v_B collide as shown. If the coefficient of restitution is e = 0.75, determine the velocity (magnitude and direction θ with respect to the positive x-axis) of each puck just after impact. Also calculate the percentage loss n of system kinetic energy.

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y A B --x 30° VA = 10 m/s !3! UB = 6 m/s