Question
A train 210 m long passes a platform 390 m long in 30
seconds. FindĀ the time it will take to pass a pole.Solution
Total distance to pass platform = 210 + 390 = 600 m Speed = distance / time = 600 / 30 = 20 m/s In km/h: 20 Ć (18/5) = 72 km/h Time to pass a pole = length of train / speed = 210 / 20 = 10.5 seconds
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