I don't understand these questions can someone help me please ??

Assignment Booklet Science 24: Module 4 1 13. A car travelling 100 km/h comes to a stop in 100 m when the brakes are applied. An identical car travelling 100 km/h comes to a stop when it hits a bridge abutment. Which of the following statements is true? A. The change in velocity when the car hits the bridge is greater. B. The change in momentum for the car that braked is greater. C. The impulse of the car hitting the bridge is greater. D. The impulse is the same for both cars. 14. If you lengthen the time during a car crash for the occupants of the car to come to a stop, the forces they experience A. decrease and the impulse decreases B. increase and the impulse stays the same C. decrease and the impulse stays the same D. increase and the impulse increases 15. A 2000-kg vehicle travelling 30 m/s takes 10 s to stop. What force did the vehicle experience? Show your work. 16. If the time it takes to stop a car doubles, the force the vehicle experiences is Return to page 65 of the Student Module Booklet and begin Lesson 4