Car a has a mass of 1,200 kg and is traveling at a rate of 22 km/hr. it collides with car b. car b has a mass of 1,900 kg and is traveling in the same direction at 25 km/hr. which of the following statements is true?

a) the momentum before the collision is equal to the momentum after the collision.

b) the momentum before the collision is greater than the momentum after the collision.

c) the momentum before the collision is less than the momentum after the collision.