a train moving at speed of 70 km/hr crosses a pole in 2 seconds.find he length of the train
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38 m will be the length of the train
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Given; that a train moving at speed of 70 km/hr crosses a pole in 2 seconds.
To Find; Length of train
Solution; Speed of train = 70 km/hr
Time=2 seconds =2/60=1/30min
Next converting into hours
Time = 1/1800 hours
Length = speed × Time
70/1800 = 0.038km
Hence length of train is 38 m
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