7. A cue ball traveling horizontally at 2.5 m/s strikes astationary 8-ball, causing the 8-ball to travel at a 30â—¦ angle withrespect to the horizontal. If the two have the same mass, (a) Whatare the speeds of the cue and 8-ball post-collision? (b) Using yourresults, indicate what kind of collision occurred. You must back upyour conclusion using your results.
