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An electron is accelerated through 2550 V from rest and then enters a region where there is a uniform 1.30 T magnetic field. What are the maximum and minimum magnitudes of the magentic force acting on this electron?

  • College Physics - ,

    First get the velocity (v) by setting
    e V = (1/2) m v^2 (the kinetic energy)

    (Capital V is the voltage)

    The minumum magnetic force is zero (and occurs when v and B are parallel) and the maximum is e*v*B.

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