"In billiards, the cue ball has a mass of. 17 kg and the other balls have masses of. 16 kg. The cue ball, traveling at 3 m/s, strikes the 9-ball, which is at rest. After this collision, the cue ball continues at. 5 m/s. What is the velocity of the 9-ball after the collision?"
What kind of problem is this?
