A 10 kg ball moving due west at 2m/sec collided with a 4kg ball that is moving due east at 3m/sec. you determine that immediately after the collision the 10 kg ball is moving due west at .57 m/sec.
a) this probably is a totally elastic collision
b) this definitely is NOT a totally inelastic collision
c) more info is needed
we are to show all of our work.