A 912-kg car is being driven down a straight, level road at a constantspeed of 31.5 m/s. When the driver sees a police cruiser ahead, sheremoves her...

A 912-kg car is being driven down a straight, level road at a constantspeed of 31.5 m/s. When the driver sees a police cruiser ahead, sheremoves her foot from the accelerator. After 8.00 s, the speed of the caris 24.6 m/s, which is the posted speed limit. What is the magnitude ofthe average net force acting on the car during the 8.00 s interval?