PHYS10310 Midterm: University of Notre Dame PHYS 10310 10310_F2007_exam2

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7 Mar 2019
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Instructions: write your name on the front of the blue exam booklet. The exam is closed book, and you may have only pens/pencils and a calculator (no stored equations or programs and no graphing). Show all of your work in the blue book. For problems ii-v, an answer alone is worth very little credit, even if it is correct so show how you get it. Suggestions: draw a diagram when possible, circle or box your final answers, and cross out parts which you do not want us to consider. Multiple choice questions (4 points each) please write the letter corresponding to your answer for each question in the grid stamped on the first inside page of your blue book. No partial credit is given for these questions: a block slides a certain distance down an incline. During the descent the work done by friction is -|w|. The ratio of the magnitude of the tensions t1/t2 is given by: