The drag force resists the motion of a car travelling at 80 km h^-1 is 300V.
(a) What power required to keep the car travell

The drag force resists the motion of a car travelling at 80 km h^-1 is 300V.
(a) What power required to keep the car travelling at that speed.
(b) If the efficiency of the engine 60%, What is the power of engine?

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