Question

a 1200 kg car traveling 3.0 m/ to the north runs into a telephone pole. the telephone pole completely stops the car. which of the following is true? a) the momentum of the telephone pole after the collision is 3600 kg•m/s to the Southpoint.
b) momentum is not conserved because outside forces act on the system.
c) the momentum of the telephone pole after the collision is 3600 kg•m/s ti the North.
d) the total momentum before the collision equals the total momentum after the collision.

Answer 1

Answer:

I think the answer should be d