1. The problem statement, all variables and given/known data With brakes fully applied, a 1540 kg car decelerates from a speed of 94.0 km/hr. What is the work done by the braking force in bringing the car to a stop? What is the change in the kinetic energy of the car? 2. Relevant equations 3. The attempt at a solution W = -Fd Not sure how to start this problem?