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Homework Help: Quick Question

  1. Mar 31, 2009 #1
    6.60 -micro C particle moves through a region of space where an electric field of magnitude 1200 N/C points in the positive x direction and a magnetic field of magnitude 1.01T points in the positive Z direction

    if the net force acting on the particle is 6.23 x 10^-3 N in the positive x direction, find the components of the particle's velocity. Assume the particle's velocity is in the x-y plane.

    Vx = ?
    Vy = ?
    Vz = ?

    I haven't been on here in ages, and I am just stuck on this one question. Thought this would be a perfect time to come back to these forums. I don't even know where to begin...anyone care to help?
  2. jcsd
  3. Mar 31, 2009 #2


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    Hi Johnson! :smile:

    Hint: Use the Lorentz force: F = q(E + v x B) :wink:
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