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प्रश्न
A car of weight 20000 N climbs up a hill at a steady speed of 8 m/s, gaining a height of 120 m is 100 s. Calculate : power of engine of car.
उत्तर
Now, we can calculate the power of the body as,
Power = `"Work done"/"Time"`
So ,
Power = `2400000/100` W
= 24 kW
So, the power of car is 24 kW.
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