A car with a mass of 800 kg moves up a hill inclined at an angle 15? to the horizontal with a constant acceleration of 2.5 ms?2.
(a) Find the force of the engine. It starts from rest and travels for 30 s.
(b) What is the power the engine is producing at the start and at the end?
(c) Find the velocity at the end and the work done in this time.