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physics

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A moving electron passes near the nucleus of a gold atom, which contains 79 protons and 118 neutrons. At a particular moment the electron is a distance of 7.5 × 10−9 m from the gold nucleus.

What is the magnitude of the force exerted by the gold nucleus on the electron?

  • physics - ,

    79ke^2/R

    where R is the separation distance and k is the Coulomb constant.

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