2) In Figure, mass m, = 1 kg with a velocity v 15 m/s moving in x direction makes elastic collision with m, 5 kg that is initially at rest. = (a) Find the velocity of m, after the collision. (b) Find the velocity of m, after the collision. (c) Find the maximum height h to which m rises after the collision. 4 V 15 m/s V2-0 h mi m