Physics 122 Static Equilibrium: Hanging Signs (torque_notes_and_problems.pdf). Class time for working on the work sheets. Toque quiz on Thursday, April 7. Physics 112 Thin Lens Equation (lenses_notes.pdf; lenses_problems.pdf) Astronomy 120 Work through Chapter 8. Pg 248 # 5, 7, 9, 12, 13, 14, 17 - 22, 24, 26. Math 9 Started unit 7.3 (unit7-3-similar-polygons.pdf) Tomorrow there is an in-class assignment