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Homework Help: Problem need to solve it

  1. Nov 26, 2011 #1
    show that all of standred drifts only the polarization drift causes change in the particle energy
    hint
    consider what happen when following equation is dotted with velocity (v)
    m(dv\dt)=f+(vxB)

    where V and be cross product vector
     
  2. jcsd
  3. Nov 26, 2011 #2
    i took it in plazma course i can't find answer tio this problem
     
  4. Nov 27, 2011 #3
    i ca't understand the problem could any one explain it to me and what this problem mean
    what is dotted
     
  5. Nov 27, 2011 #4
    dot product. If you don't understand what a dot product is you probably shouldn't be taking a course on plasma physics.
     
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