SCIENCE(PHYSICS)
posted by YASH .
a train is moving on a straight track n travels at a speed of72km/hr and passes a pole in 3 seconds. find the time taken by the train to pass the bridge of length of 540 m?
Sir in the solution i understood why we will get27 sec. but why we will add 3 sec?

It doesn't make sense to me for them to
mention the pole.But they are saying it
took 3 seconds to arrive at the bridge
and 27 seconds to travel the length of
the bridge.
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