2007S_2 - Physics 3221 Spring Term 2007 Test 2, March 7,...

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Physics 3221 Spring Term 2007 Test 2, March 7, 2007 This is an open notes/text book/Homework test lasting 50 minutes. There are 5 problems, divided into subsections. The points for each part are marked. Begin each problem on a fresh sheet of paper. Use only one side of a sheet of paper. Put your name, the problem number, and the page number in the upper right hand corner of each sheet. To receive partial credit you must explain what you are doing. Carefully labeled figures are important. Randomly scrawled equations aren't helpful. Draw a box around important results. There are 3 pages including this page. Do not forget to look at all parts of the problems.
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Problem 1 Two masses m and 2 m are connected by a massless string. They slide on a fixed table when a force F is exerted on one of the masses, as shown in the figure. The coefficient of friction between each mass and the table is µ . Find the tension in the string. (3 points) Problem 2 A particle with mass m falls under gravity in a medium under the influence of a retarding
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2007S_2 - Physics 3221 Spring Term 2007 Test 2, March 7,...

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