79ke^2/R
where R is the separation distance and k is the Coulomb constant.
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?
1 answer
2 answers