A car and a large truck traveling at the same speed collide ...

[gonzo233]

A car and a large truck traveling at the same speed collide head-on and stick together. Which vehicle undergoes the larger change in the magnitude of its momentum?
  1.the car
  2.the truck
  3.the change in the magnitude of momentum is the same for both
  4.impossible to determine without more information

Question 2

A boy standing at one end of a floating raft that is stationary relative to the shore walks to the opposite end of the raft, away from the shore. As a consequence, the raft (Hint: use conservation of momentum.)
  1.remains stationary.
  2.moves away from the shore.
  3.moves toward the shore.

[zhanghao]

Answer to Question 1

3

Answer to Question 2

3

[gonzo233]

Gracias!

[atrochim]

Excellent