1400 kg car acelerates from 45mph (20.1 m/s) to 65mph (29.1m/s) over a distance of 440 m in 35 s. There is an air resistance force of 125 N acting against the motion.
A. what is the network done on the car by all forces acting on it?
B. how much work was done by the force of the road acting on the tires to accelerate the car?