A train passes through a tunnel 600 m long. A guard observed that it remains in the tunnel for a minute if the train is 250 m long, calculate the speed of train?
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Answer:
85/6 m/s
Step-by-step explanation:
Since the trains remains for a minute it means that the time started when the front of a train entered and the time stopped when the back of a train left...
So the Distance during the period is 850 m and the time is 60 seconds
Voila ! The speed of train is 85/6 m/s
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