(Solved): An electric dipole consisting of charges of magnitude 4.00nC separated by 9.40m is in an electric ...

An electric dipole consisting of charges of magnitude $4.00\mathrm{nC}$ separated by $9.40?\mathrm{m}$ is in an electric field of strength $1320\mathrm{N}/\mathrm{C}$. What are (a) the magnitude of the electric dipole moment and (b) the difference between the potential energies for dipole orientations parallel and antiparallel to $\vec{E}$ ? (a) Number Units (b) Number Units