1.

Engine of a car of mass 1500 kg, keeps car moving with constant velocity 5m/s. If frictional force is 1000 N, power of engine is (A) 5 kW (B) 7.5 kW (C) 15 kW (D) 75 kW GSEB - Class 9 Chapter - 1. Work, Energy and Power Page 10

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a.5kw is the ANSWER for that



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