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Homework Help: Going in right direction electric field

  1. Mar 31, 2004 #1
    The question is a charge object has a mass of 9.11E-31 kg and a charge of 1.602E-19 coul. Calculate the strength of the electric field that would provide a force equal to the weight of the charged object

    E = Fe/m 1.602E-19 / 9.11E-31

    E = 1.76E 11

  2. jcsd
  3. Mar 31, 2004 #2

    Doc Al

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    Staff: Mentor

    The force on a charge in an electric field is: F = qE. Set that equal to the weight of the object, which is mg. So qE = mg, thus E = mg/q.
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