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Question from JEE (Magnetics)

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  1. Oct 21, 2015 #1
    1. The problem statement, all variables and given/known data
    A particle of charge q and mass m is projected on a rough horizontal plane (X-Y) from a point (a,0,0) with initial velocity v = V j . In space there exists uniform electric and magnetic field E k and -B k respectively. Acceleration due to gravity is g and friction coefficient between particle and plane is u . The particle moves on a spiral path and finally reaches origin O. The time taken to reach the origin = ?

    2. Relevant equations


    3. The attempt at a solution
     
  2. jcsd
  3. Oct 21, 2015 #2

    Nathanael

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    Have you attempted the problem? Please show your attempt to get help.
     
  4. Oct 22, 2015 #3
    Never Mind. I solved it. Thanks.
     
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