Homework Statement
An electric dipole with dipole moment p = 4 × 10−5 C-m sets up
an electric field (in Newtons per coulomb)
F(x,y,z) = kp/r^5 <3xz, 3yz, 2z^{2} - x^{2} - y^{2}>
where r = (x^{2} + y^{2} + z^{2})^{1/2} with distance in meters and k = 8.99 ×
109 N-m^{2}/C^{2}...