The driver of a 2.0 × 10³ kg red car traveling on the highway at 45m/s slams on his brakes to avoid striking a second yellow car in front of him, which had come to of because locking ahead. After the brakes are applied a constant friction force of 7.5 × 10³ N acts on the car ignore air resistance. a₎ Determine the least distance should the brakes be applied to avoid a collision with the other vehicle?