A car travelling with a uniform velocity of 30ms-1 along a horizontal road overcomes a constant frictional force of 600N. Calculate the power of the engine of the car
A
18kW
B
20kW
C
180kW
D
200kW
Verified Correct Answer: A.
Physical Principles & Numerical Solution
P = FV
= 600 x 30 = 18kW
Source: Myschool Past Questions Archive (Record #34966)