a train running at the speed of 60 km/he crosses a pole in 9 sec in this case what will be the length of the train?
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speed = distance/time
so, distance in 1hr = 60 km
in 3600 sec = 60 km
1 sec = 60/3600=1/60 km
9 sec=9×1/60 km
=150 m
so, distance in 1hr = 60 km
in 3600 sec = 60 km
1 sec = 60/3600=1/60 km
9 sec=9×1/60 km
=150 m
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