Physics
WAEC 2008
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
Correct Answer: Option A
Explanation
P = FV
= 600 x 30 = 18kW
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