(Solved): What is the electric potential a distance of 2.81015m away from a proton? Express your answe ...

What is the electric potential a distance of $$2.8\times 10^{?15}\mathrm{m}$$ away from a proton? Express your answer using two significant figures. Part B What is the electric potential energy of a system that consists of two protons $$2.8\times 10^{?15}\mathrm{m}$$ apart-as might occur inside a typlical nucleus? Express your answer using two significant figures.