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/s2) a) 25 kW b) 50 kW c) 100 kW d)125 kW
Added by John K.
Step 1
Given speed = 36 km/h. To convert km/h to m/s, we multiply by (1000 m / 1 km) and divide by (3600 s / 1 h). Speed in m/s = 36 * (1000 / 3600) = 10 m/s. Show more…
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