Need part b

A ball rolls onto the path of your car as you drive down a quiet neighborhood street. To avoid hitting the child that runs to retrieve the ball, you apply your brakes for 1.00 s. The car slows down from (14.51 + 4.50k )m/s to (8.251 + 3.50k )m/s. The mass of the car is 1.30 x 10 kg. (a) During the time the brakes were applied, what was the average force exerted on your car? Express your answer in vector form. 1 LL -81251 - 1300k Z (b) How far did the car move while braking? X Did you use the appropriate kinematic equation? m