a train 200 metres long and travelling at speed of 60km/hr will cross a pole in
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Speed=Distance÷Time
So total distance to be travel = length of train (200 m) +pole (0 m i.e. negligible)
Total distance = 200 m
Speed = 60km/hr = (5÷18)*60 = 16.66667m/s
Time= Distance÷speed
Time = 200÷16.66667 = 12 sec (approx.)
swarali6:
it's wright ans.
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