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Homework Help: Excess Electricial Charge Fraction

  1. Jan 26, 2009 #1
    1. The problem statement, all variables and given/known data

    15noits.jpg

    2. Relevant equations

    No clue, honestly I'm trying to figure out what formula i need to use to start this problem.

    3. The attempt at a solution

    No clue, honestly I'm trying to figure out what formula i need to use to start this problem.
     
  2. jcsd
  3. Jan 26, 2009 #2
    It looks like you need to start by calculating just how many molecules are present on the face of the piece of tape.
     
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