how much time will be taken by 200 m long train crosses a bead of length 1000m with velocity 30 m/sec
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1
Answer:
Lwt us consider the front end of train, So for train to cross the tunnel,
total distance = length of train + length of tunnel
Distance=200+100=300m
velocity=
time
distance
⇒V=
50
300
⇒6m/s
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