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9. How much time will a 120 m long train, travelling ata speed of 108 km/h take to go past a signal by theside of the railway track? |
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Answer» Length of train = 120 mSpeed of train = 108 km/hr= 108*5/18 = 30 m/sec Then, Time required to go past a signal = Distance /speed= 120/30 = 4 sec |
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