A 4.1 kg mass with an initial velocity of 9 m/s [east] col…
A 4.1 kg mass with an initial velocity of 9 m/s collides with a second mass of 5.2 kg that is initially stationary. After the collision, the second mass has a velocity of 6.5 m/s . a) solve for the velocity of the first mass after the collision. b) explain how you would solve for the % elasticity of the collision.