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Hep me to find time

  1. May 25, 2008 #1
    two trains 200 meters and 150 metrers are running on the parallel raila at this rate of 40km/hr and 45 km/hr.in how time will they cross each other if they are running in the same direction?
  2. jcsd
  3. May 25, 2008 #2


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    Hi neha1 and welcome to PF,

    For future reference, we have https://www.physicsforums.com/forumdisplay.php?f=152" for such questions, but don't worry your thread will get moved there later.

    Now for your question. What have you attempted thus far?
    Last edited by a moderator: Apr 23, 2017
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