Recent content by inverTap

Ah ok, that makes perfect sense. My textbook author doesn't always break things down that much, but I understand now. Thanks very much for your help!

Homework Statement Arrange two electric dipoles with dipole moments qd nose to tail at a distance r (r >> d) along a line including their axis. Use Coulomb's law to show that the force between them varies as r4. Homework Equations The Attempt at a Solution So in my first...