PhysicsIf a train crosses a pole at a speed of 60km/hr in 30 seconds, find its length.

If a train crosses a pole at a speed of 60km/hr in 30 seconds, find its length.


  1. A
    1000m
  2. B
    900m
  3. C
    750m
  4. D
    500m 

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    Solution:

    Concept: In this question, we are going to find out the distance using the relation of speed, time and distance. Distance=Speed×time
    Given,
    Speed of train = 60 km/hr
    Time taken to cross= 30 sec = 1/120 hour
    Now, the length will be equal to the distance.
    So,
    So, the Length of train is ½ hour= 500m
    Hence, the correct option is 4.
     
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