EM PS#4 to be completed in your EM PSN by noon Sun. Feb. 5. All problems from Griffiths, Introduction to Electrodynamics, 4th edition.

EM PS#4: 3.7, 3.8, 3.9, 3.28, 3.30, 3.32, 3.33, 3.34, 3.35, 3.38, 3.46, 3.53.

Optional fun bonus classical mechanics pendulum flashback: 3.56