Sam is conducting a train going east at 25 meters per second with a mass of 7200kg. MJ is conducting a train going west at 44 m/s and a mass of 4500kg.
1. What is the momentum of the trains before they collide?
2. What is the momentum of the trains when they collide.
3. What will happen to Sam's train when it hits MJ's train?
Reminder : p=mv