145 glider is moving to the right on a frictionless, horizontal air track with a speed of 0. It has a head-on collision with a 0.303 glider that is…

A 0.145 glider is moving to the right on a frictionless, horizontal air track with a speed of 0.890 . It has a head-on collision with a 0.303 glider that is moving to the left with a speed of 2.19 . Suppose the collision is elastic.