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Homework Help: Electric Field

  1. Apr 22, 2008 #1
    1. The problem statement, all variables and given/known data
    http://img206.imageshack.us/img206/7900/physicsml8.jpg [Broken]

    Note: Acceleration=1e18 m/s^2

    3. The attempt at a solution

    I've tried to do the ones marked with a red x, but I'm really not sure how... any hints would be greatly appreciated!
    Last edited by a moderator: May 3, 2017
  2. jcsd
  3. Apr 23, 2008 #2
    First tell us why u answered it as zero electric field?
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