Abowling ball of mass 9 kg moves in a straight
line at 3.28 m/s.
how fast must a ping-pong ball of mass
3.638 g move in a straight line so that the two
balls have the same momentum?
answer in units of m/s.

Ben (55kg) is standing on very slippery ice when junior (25kg) bumps into him. junior was moving at a speed of 8 m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision. give the answer in m/s. describe the work you did to get the answer.