a train of length 180 m approaches a tunnel of length 620 m .How long will it take the train to pass completely through the tunnel at a speed of 54 km/h
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Answer:
53.3333... seconds
Step-by-step explanation:
the total distance traveled= 180+620 = 800m
speed= 54kmph * 5/18= 15 m/s
time= distance/speed= 800/15 seconds = 53.333...
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