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प्रश्न
उत्तर
Given force F = 300 N, u = 18 km/hr
Now, power = `"W"/"t" = "F.s"/"t"` = F.v
or P = 300 x `(18 xx 10³)/(60 xx 60)` = 1500 watt
Now 1 H>P = 746 watt
1500 watt = 2 H>P (approx)
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