A train 350 m long crosses an electric pole in 28 ec find speed of train in km hrs
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1000 m = 1 km
so, 350 m = 1 × 350 / 1000 = 0.35 km
3600 sec = 1 hr
so 28 sec = 1 ×28 / 3600 = 0.00777777777
so the speed of the train is 0.35 / 0.007777777 = 45 km / hr approx
so, 350 m = 1 × 350 / 1000 = 0.35 km
3600 sec = 1 hr
so 28 sec = 1 ×28 / 3600 = 0.00777777777
so the speed of the train is 0.35 / 0.007777777 = 45 km / hr approx
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