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Unformatted text preview: Name (printed): r I r , SolUft onS PHY317K November 18. 2008 Signature: Exam 3 Unique number 60735 lnstructions: . NOTICE: On this exam you should always assume g: l0 m/s2. No notes, textbooks, or similar aids are permitted. You may use a calculator. Use the scantron answer sheet to provide the answers. Write and bubble your name and UT EID carefully. Mark the answer sheet using #2 pencll. Mark only one answer per problem. If you need another scantron, ask the instructor. There are 15 problems on the exam. A correct answer is worth 100/15:6.67 points. An incorrectly answered problem is worth 0 points. You must complete this exam during the class period. Any questions you may have about the test have to be directed to the instructor or a TA. No conversations and/or collaborative work are perrnitted. You use the back sides of the exam pages as scratch paper for calculations as needed. Some equations and other information that may be useful on this exam are provided on the last sheet of the handout. You may not ask questions about anything on this sheet. You may detach it from the exam, but will have to return it with the rest of the exam handout at the end of the exam. You must turn in this complete exam handout (all pages, including the equation sheet) at the end of the exam. Put your printed name and signature in the indicated areas on the cover page. Page I f\ \r 1. A boat floating in fresh water disqlaces an amount of water that weighs 30,000 N. The density of the water is 1000 kg/m'. What volume of water is displaced by this boat? f\ erorse f I oat' nj * w clgf.t of boot = W ei5ht at utisPlo(eJ vt lter A) 1.5 m3 6) 3.0m3-O 15 m3 D) 30 m3 E) none of these \o r ooo l[ = PV-: \ / = = i . O , n n 3 or.. A spherical shell has inner radius R1, outer radius R2, and mass M,which is distributed uniformly throughout the shell. The magnitude of the gravitational force exerted on the shell by a point particle of mass m a distance d from the center, outside the outer radius (i.e., d> R2),is: A ) 0 B) GMm I RI O GMmtd2 D) GMmt(o: - d') E) GMml(R, - 4' P roI lay. t 6 f rom [onaW o'- k t + s hell Theo (eft\ D :. The displacement of a string carrying a traveling sinusoidal wave is given by y(x,t) = !*sin(rtx - ail + il . At time t : 0, the point at x:3?,,14 has a displacement of y* (i.e., y(T,14,0): y^) and is accelerating in the negative y-direction....
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This note was uploaded on 12/08/2008 for the course PHY 317k taught by Professor Kopp during the Spring '07 term at University of Texas at Austin.
- Spring '07