A car traveling at 30ms−1 overcomes a frictio...
A car traveling at 30ms−1 overcomes a frictional resistance of 100N while moving. Calculate the power developed by the engine. [1 hp = 0.75 kW]
0.23hp
0.40hp
4.00hp
4.40hp
Correct answer is C
P = FV = 100×301000=3kW
30.75=4hp