exam2 - PHY 3221: Mechanics I Fall Term 2010 Midterm Exam...

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Unformatted text preview: PHY 3221: Mechanics I Fall Term 2010 Midterm Exam 2, October 27, 2009 This is a closed book exam lasting 50 minutes. Since calculators are not allowed on this test, if the problem asks for a numerical answer, answering 2 + 2 is as good as 4, and 2 is as good as 1 . 4142 ... . There are four problems worth a total of 20 pts. All four problems appear on the second page of this test. Begin each problem on a fresh sheet of paper. Use only one side of the paper. Avoid microscopic handwriting. 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 labelled figures are important! Randomly scrawled equations are not helpful. Draw a box around important results (or at least results which you think might be im- portant). Good luck! 1 Problem 1. [4 pts] In Einsteins theory of general relativity the Schwarzschild radius R s is the radius at which a spherical body (such as a star or a planet) would become a black hole....
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exam2 - PHY 3221: Mechanics I Fall Term 2010 Midterm Exam...

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