A train can run 60km per hour .the length of the train is 500m.how much time it will take to cross a pole?
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distance=500m. speed=60km/hour time=d/s. 500m/60km/h. =500m/60×1000m/3600s. =500m×3600s/60×1000m=,30s
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Speed = 60 km/h
Distance = Length of the train = 500 m = 0.5 km
Find the time:
Time = Distance ÷ Speed
Time = 0.5 ÷ 60 = 1/120 hour
Time = 1/120 x 60 = 0.5 mins
Time = 0.5 x 60 = 30 seconds
Answer: It will take 30 seconds to cross the pole.
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