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SCIENCE(PHYSICS)

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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?

  • SCIENCE(PHYSICS) - ,

    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.

    Try to get a comment from other tutors
    or teachers.

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