1) consider a car of mass m=1215 kg that is moving up a=θ =12 hill All constant speed V =36 km/h as shown on the figure below. * The total resistive force (road friction and air resistance ) acting on the car for the speed is given by FR=1500 N and the height of the hill is h =12 m.

a) what power must be delivered by the car engine to travel the car of the constant speed ?

b) How much work is done by the force obtained from the car engine until the car reaches the top of the hill?

c) How much work is done by the resistive force until the car reaches