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Magnetism and Magnetic Fields- Determining mass of ion

  1. Mar 17, 2013 #1
    1. The problem statement, all variables and given/known data

    An ion of mass m and charge q is accelerated from rest through a voltage of ΔV. It then enters a magnetic field. Determine the mass of the ion in terms of the measurable quantities: q, ΔV, (B^→) , and x.

    2. Relevant equations

    3. The attempt at a solution
    m = q(B^2)(x^2)/(8ΔV)
    this is where i am:

    F - qV x B
    ma =qVB

    ΔU= 1/2mv^2
    ΔVq= 1/2 mv^2
  2. jcsd
  3. Mar 17, 2013 #2

    rude man

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    what is x?
    what does "B^→" mean?
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