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a goods train 80 metres long takes 0.5 min in crossing a tunnel 420 metre long what is the speed of a train |
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Answer» Answer: Step-by-step explanation: Length of TRAIN = 80 m Length of tunnel = 420 m Total distance = 80 m + 420 m = 500 m Time TAKEN to cross tunnel = minute Speed of train = distance / time Speed of train = 500/ 1/2 = 500 X 2/1 =1000/1 Speed of train =1000 m / minute Hence The speed of the train is 1000 m / minute. |
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