A 0.60 kg cue ball (A) travelling at 1.5 m/s collides with a 0.50 kg numbered ball (B) which is at rest. After the collision, the numbered ball travels at θN30° from the horizontal and the cue ball travels at θC=55º from the horizontal. Determine the after collision velocity of the numbered ball.

A 0.60 kg cue ball (A) travelling at 1.5 m/s collides with a 0.50 kg numbered ball (B) which is at rest. After the collision, the numbered ball travels at θN30° from the horizontal and the cue ball travels at θC=55º from the horizontal. Determine the after collision velocity of the numbered ball.