Suppose we want to verify the analogy between electrostatic and magnetostatic by an explict experiment. Consider the motion of
electric dipole `vecP` in an electrostatic field E and
magnetic dipole `vecM` in a magnetic field `vecB`. Write down a set of conditions on `vecE, vecB, vecP, vecm` so that the two motions are verified to be identical. (Assume identicla initial conditions.)