Recent content by jennyyyy

  1. J

    Show that the energy of a charged conducting sphere in vacuum is kq²/(2R)

    i couldn't do anything. what is u ?where does it come from i don't understand :( pls help me and sorry for my english i don't know perfect english
  2. J

    Show that the energy of a charged conducting sphere in vacuum is kq²/(2R)

    Homework Statement Show that the energy associated with a conducting sphere of radius R and charge q surronded by a vacuum is given by u=kq^2/(2R). Homework Equations The Attempt at a Solution
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