A van of mass 3200 kg with velocity +25 m/s collides head on with a sedan of mass 2000 kg with velocity -10 m/s. Calculate the velocity of the sedan after the collision. The van's speed was 0 m/s after the collision.? 10 m/s
20 m/s
30 m/s
40 m/s

Ahockey player of mass 82 kg is traveling north with a velocity of 4.1 meters per second he collides with the 76 kg player traveling east at 3.4 meters per second if the two players locked together momentarily in what direction will they be going immediately after the collision how fast will they be moving