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Posted by on Monday, December 5, 2011 at 4:38pm.

What is the electric field midway between an electron and a proton separated by 0.7 nm?

  • Physics - , Monday, December 5, 2011 at 6:38pm

    Twice the E-field due to the elctron alone.
    Use Coulomb's law.
    E = 2* k e/(R/2)^2 = 8 k e/R^2
    where R is the separation of the two charges, and k is the Coulomb constant..

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