Question: A bus weighing 100 quintals moves on a rough road with a constant speed of 72 km/h. The friction of the road is 9%

A bus weighing 100 quintals moves on a rough road with a

A bus weighing 100 quintals moves on a rough road with a constant speed of 72 km/h. The friction of the road is 9% of its weight and that of air is 1% of its weight. What is the power of the engine. Take g = 10 m/s. (a) 50 kW (b) 100 kW (c) 150 kW (d) 200 kW

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