Consider the power required by a car to perform the following tasks. Report answers in horsepower.
Calculate the power required for a 1,400 kg car to climb a 10o hill at a steady 80 km/hr.
Calculate the power required of a 1,400-kg car to pass another car on a level road accelerating from 90 to 110 km/hr in 6 seconds. Assume the retarding force on the car is 700 N throughout.