From phy183_lecture_week3_f2013.pdf: 3-8, 3-9, 3-11

From phy183_lecture_week4_f2013.pdf: 4-1, 4-2, 4-3, 4-4, 4-5a, 4-5b,4-7, (4-8a, 4-8b - convert to momentum principle format) There's probably others in the 2211 notes that Paul has – we should review those.