A car of 1200 kg coasts in the neutral down a 2.0° hill. The car attains a terminal speed of 23.0 m/s. Determine how much power should the engine deliver to drive the car on a level road at 23.0 m/s?
When the maximum useful power which can be delivered by the engine is 30.0 kW, determine the steepest hill the car can climb at 23.0 m/s?