A small compact car collides with a sticks to a very large SUV. Which statement about the momentum involved in the collision is correct?


A)
The momentum of the car and the momentum of the truck are each conserved.

B)
The momentum of the car is conserved.

C)
The momentum of the car-truck system is conserved, but the momentum of each one separately is not conserved.

D)
The momentum of the truck is conserved.

E)
The car and the truck must undergo the same change in speed.