A ball of mass 0.200kg has a velocity of 150m/s: a ball of mass 0.300kg has a velocity of 0.4m/s. They meet in a head on elastic collision. A, find their velocity after the collision
A ball of mass 0.200kg has a velocity of 150m/s: a ball of mass 0.300kg has a velocity of 0.4m/s. They meet in a head on elastic collision. A, find their velocity after the collision