In the two-sphere arrangement of Figure, assume that sphere t has a mass of 50 g and

Question:

In the two-sphere arrangement of Figure, assume that sphere t has a mass of 50 g and an initial height of h1 = 9.0cm, and that sphere 2 has a mass of 85 g. After sphere 1 is released and collides elastically with sphere 2, what height is reached by
(a) Sphere 1 and
(b) Sphere 2? After the next (elastic) collision, what height is reached by?
(c) Sphere 1 and
(d) Sphere 2?