1. Sep 18, 2005 #1

   tin llenaresas

   

   why is the magnitude of velocity of a charged particle not affected by magnetic force?

    

   tin llenaresas, Sep 18, 2005
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3. Sep 18, 2005 #2

   StatusX

   

   Homework Helper

   The magnetic force always acts in a direction perpendicular to the velocity, sine F=q(vXB), so it only changes the direction of motion, not the speed. This also means it does no work on the particle.

    

   StatusX, Sep 18, 2005

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