CHEM 131 Midterm: Exam 3 No Solutions Fall 1998

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Attempt problems 1-3 and write everything in ink. Be sure that you pace yourself so that you have enough time to work on each problem. Note that the problems do not have equal weight. Put all work in the blue book [nothing written on the exam document will be graded]. Make sure that your answers are clearly marked, for example by drawing a box around them. In all cases, do not simply write down an answer but show your work and explain your solution. Answers that are undocumented will not receive any credit so be sure to show all of your work as clearly as possible. Moments of inertia: hoop of mass m and radius r: i = mr2, solid disk of mass m and radius r: i = mr2/2. Before turning in your exam, please write out and sign & date the following pledge on the back page of your blue book: