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29 December, 06:32

If the resulting trajectory of the charged particle is a circle, what is ω, the angular frequency of the circular motion?

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  1. 29 December, 06:39
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    For this answer you need to have in mind the following formulas:

    Fmag = qvB

    Also have in mind that Centripetal acceleration is: ar = v2/R

    centripetal force will be : Fc = mv2/R

    And velocity is: v = ωR

    Remember that the magnetic force is the centripetal force then:

    Fmag = Fc

    qvB = mv2/R

    qB = mv/R

    Next you need to substitute for velocity:

    qB = mωR/R

    qB = mω

    ω = qB/m
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