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Electric Forces

  1. Nov 21, 2006 #1
    How do I calculate Electric forces when objects are dangling from insulated wire. For example
    Neutral metal sphere A, of mass 0.10kg hangs from an insulating wire 2.0m long. An identical metal sphere B, with charge -q, is brough into contact with the sphere A. The spheres repel and stelle down as shown in the following figure

    .\ <) = 12
    * <) AB(top) = 90 degrees.
    Calculate the initial charge on B.
  2. jcsd
  3. Nov 21, 2006 #2
    I don't remember these formulas if you could give me some formulas for electric forces I'd help you out!
  4. Nov 21, 2006 #3
    Sorry, I posted this in the wrong section, it is now in the right section with the formula.
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