A compact car with a mass of 525 kg is traveling at 23 m/sec. a. What is the momentum of the car? (12,075 kg m/sec) b. If the brakes are applied so that it slows down to 10 m/sec, what is the change in momentum of the car? (-6825 kg m/sec) c. What was the impulse acting on the car? (-6825 N sec) d. If the car was slowed down by a 4000 N frictional force, how much time did it take the car to slow down? (1.71 sec)