An electron and a proton are initially very far apart
Chapter 19, Problem 19.161(choose chapter or problem)
An electron and a proton are initially very far apart (effectively an infinite distance apart). They are then brought together to form a hydrogen atom, in which the electron orbits the proton at an average distance of 5.29 1011 m. What is EPEfinal EPEinitial , which is the change in the electric potential energy? 1
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