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