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Homework Help: Electric field - multiple choice - Physics Unit 4 Specimen

  1. Apr 10, 2012 #1
    1. The problem statement, all variables and given/known data
    see attached file

    2. Relevant equations

    3. The attempt at a solution
    ok so I get that the answer is B
    but is it because they have the same q/m ratio?

    Attached Files:

  2. jcsd
  3. Apr 10, 2012 #2


    User Avatar

    Staff: Mentor

    Essentially, yes.

    You should be able to work out mathematically what the accelerations are for an equal variation in the electric field (say, E = k*Eo) given that when the field is Eo they are both motionless. Hint: find the charge on each in terms of Eo and mass.
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