Physics 122 Torque and Momentum Test. Physics 112 Lens Maker's Formula. Questions #17 - 24, 26, 29, 32 - 34. Astronomy 120 Video: Supernovas Math 9 Started Chapter 7.5 (7.5_reflections_and_line_symmetry.pdf). HW: Pg 357 #3, 5, 6, 8, 9.