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A 200 kg wagon climbs up a hill of slope 30-degrees in 1 minute at a speed of 36 km/h. How much power is delivered by the engine if the frictional force is 25% of the weight of the car? (Assume g = 10m/s^2)(a) 25 kW(b) 50 kW(c) 100 kW(d) 125 kWI got this question in an international level competition.Asked question is from Power in portion Work, Energy and Power of Physics – Class 11 |
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Answer» The correct ANSWER is (a) 25 kW |
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