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[" 3.A positive charge particle of charg...

[" 3.A positive charge particle of charge 'q' "&" mass "cm'" ' is released at origin.There are uniform "],[" magnetic field and electric field in the space given by "vec E=E_(0)J&vec B=B_(0)hat k," where "E_(0)&B_(0)" are "],[" constants.Find the 'y' coordinate of the particle at time "t' "],[" Ans."quad y=(E_(0)m)/(B_(0)^(2))[1-cos(qB_(0))/(m)t]]

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