Two smooth billiard balls A and B have an equal mass of m = 200 g. If A strikes B with a v...

Two smooth billiard balls A and B have an equal mass of m = 200 g. If A strikes B with a velocity of (vA)1 = 2 m/s as shown, determine their final velocities just after collision. Ball B is originally at rest and the coefficient of restitution is e = 0.75.