This is a practice question. In a game of pool, the cue ball was moving east at .82m/s when it struck the slower 5-ball moving in the same direction...

This is a practice question. In a game of pool, the cue ball was moving east at .82m/s when it struck the slower 5-ball moving in the same direction at .24m/s. The 5 ball immediately speeds up to .52m/s. Determine the post collision speed of the cue ball.