Recent content by johnhunk

  1. J

    What is the equation for calculating the electric field and charges?

    i mean part b.
  2. J

    What is the equation for calculating the electric field and charges?

    Homework Statement http://imageshack.us/photo/my-images/94/mphelp.jpg/" Homework Equations coulomb law The Attempt at a Solution no idea.. maybe other E field is -0.3 to cancel it out?