Question
A train 120 m long passes a pole in 8 seconds. Find the
speed of the train in km/h.Solution
Distance covered = length of train = 120 m Time = 8 s Speed in m/s = Distance ÷ Time = 120 ÷ 8 = 15 m/s Convert m/s to km/h: multiply by 18/5 Speed in km/h = 15 × (18/5) = 3 × 18 = 54 km/h Answer: 54 km/h
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