a passenger train 80 m long take a half a minute in crossing a tunnel for 20 metres long what is the speed of the train
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Total distance = 80m+20m = 100m
Time taken= 1/2 min = 30 sec
Speed = Distance/Speed = 100/30 = 3.34 m/s(approx)
Time taken= 1/2 min = 30 sec
Speed = Distance/Speed = 100/30 = 3.34 m/s(approx)
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