• a train 700 m long is running at 72 kmph. if it crosses a tunnel in 1 minute the length of the tunnel is
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Assume the length of the tunnel is l
Velocity of the train v =72*5/18=20m/s
Now total distance traveled by the train in 1 minute = length of the train +length of the tunnel = velocity of the train x time
20*60=700+ l
L = 1200-700=500 m
I hope it's help
Velocity of the train v =72*5/18=20m/s
Now total distance traveled by the train in 1 minute = length of the train +length of the tunnel = velocity of the train x time
20*60=700+ l
L = 1200-700=500 m
I hope it's help
Answered by
3
hope this helps
And... wc
And... wc
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