a train 350m long crosses an electric pole in 28 seconds find the speed of train in km/hr
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since,
speed = distance/time
speed = 350/28 = 25/2 = 12.5 m/s
or speed = 12.5*5/18 = 3.47 km/hr (approximately)
speed = distance/time
speed = 350/28 = 25/2 = 12.5 m/s
or speed = 12.5*5/18 = 3.47 km/hr (approximately)
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