Final_Exam_F05_v5 - NAME Recitation Instructor: Recitation...

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Unformatted text preview: NAME Recitation Instructor: Recitation Section #: Physics 112 December 12, 2005 Final Exam 2 - 4:30 PM PLEASE BE SURE THIS PACKET HAS 12 PAGES! (This includes the cover sheet.) *** DO NOT START UNTIL YOU ARE TOLD TO DO SO. *** This packet contains 7 Short Answer Questions, 4 Problems, and 2 pages of Possibly Useful Information at the end. You may use the backs of these pages for scrap. Write your answers ON THESE QUESTION SHEETS in the spaces provided. For Short Answer Questions #1-7, ONLY ANSWERS WILL BE GRADED. For Problems #8-11, where algebra or computations are required, BE SURE YOUR METHOD OF SOLUTION IS CLEAR, and SHOW YOUR WORK in the spaces provided. If you need more space, use the backs of the question sheets and indicate the whereabouts of your work for each question. ANSWERS WITHOUT WORK will NOT receive credit (except for short answer questions). WORK ON SCRAP PAPER WILL NOT BE GRADED. Point values for questions are given below and in each question. BUDGET YOUR TIME. Don't spend too much time on any one question or part of a question. Answer those questions you can do easily first, and then return to the more difficult ones. It is valuable use of your time to READ THE ENTIRE EXAM before starting to work on it. This is a CLOSED BOOK and CLOSED NOTES exam. You may NOT use any other references or personal assistance. You MAY use a NON-GRAPHING calculator. For Grading Only: (Do not write here.) 1-2 /12 8 /12 3 /8 9 /24 4-5 /10 10 /14 6-7 /8 11 /12 TOTAL /100 NAME 2 I. SHORT ANSWER [38 points] Please write your answers in the spaces provided. 1. [6 points] The damped simple harmonic oscillation graph shown here is described by the function: x(t) = A o e-t/ cos( t + ), with A o > 0. What are the numerical values for each of these constants (with appropriate units)? (a) A o = (> 0) (b) = (c) Q = 2. [6 points] Two pucks, #1 and #2, collide while moving on a frictionless horizontal surface. The momentum vector of each puck is shown before their collision (Before), and the momentum vector of puck #1 is shown after the collision (After). (a) On the Before grid, construct geometrically the total momentum vector p total of the pucks....
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Final_Exam_F05_v5 - NAME Recitation Instructor: Recitation...

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