Question

A car of weight w is on inclined road that rises by 100 m over a distance of 1 km and applies a constant frictional force w20 on the car. While moving uphill on the road at a speed of 10ms1, the car needs power p. If it needs power p2 while moving downhill at speed v then value of v is :

Answer 1

9neutrality jurduught684 errr