Final_Exam_S04_v6 - Your Name Recitation Instructor's Name:...

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Your Name Recitation Instructor's Name: Recitation Section: Physics 112 May 13, 2004 Final Exam 9 - 11:30 AM PLEASE BE SURE THIS PACKET HAS 14 PAGES. (This includes the cover sheet and two scrap pages.) *** DO NOT START UNTIL YOU ARE TOLD TO START. *** This packet contains 10 numbered Questions and Problems, 2 pages of scrap paper, and 2 pages of Possibly Useful Information. Write your answers ON THESE QUESTION SHEETS in the spaces provided. For Short Answer questions, ONLY ANSWERS WILL BE GRADED. For Problems, 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 DETACHED SCRAP PAPER WILL NOT BE GRADED. BUDGET YOUR TIME. Don't spend too much time on any one question or part of a question. Answer questions you can do easily first, and then return to more difficult ones. It is valuable use of your time to READ THE ENTIRE EXAM before starting to work on it. This is CLOSED BOOK and CLOSED NOTES exam. You may NOT use any other references or personal assistance. You may use a CALCULATOR. For Grading only: 1-2 /10 8 /10 3-5 /12 9 /20 6 /12 10 /20 7 /16 TOTAL /100
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2 For SHORT ANSWER questions, write your answers in the spaces provided. For PROBLEMS, be sure to show your work clearly. 1. [4 points] The total force due to air pressure (p atm = 1.0 × 10 5 N/m 2 ) acting down on top of the table in front of you (surface area about 2 m 2 ) equals the combined weight of roughly how many people (each 150 pounds 700 N)? (A) < 1 (B) 3 (C) 30 (D) 300 (E) 3000 answer 2. [6 points] A solid block hangs from scale #1 whose reading is 15 N. An open container of water sits on top of scale #2 whose reading is 25 N. Scale #1 is gently lowered so that the block is completely immersed in the water without touching the sides or bottom of the container. The block, while still hanging from scale #1, displaces a volume of water whose weight is 5.0 N. (a) When the block is immersed in the water, what is the reading on scale #1? (A) 0 N (B) 5 N (C) 10 N (D) 15 N (E) 20 N (F) 25 N answer: (b) When the block is immersed in the water, what is the reading on scale #2? (A) 10 N
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This test prep was uploaded on 04/21/2008 for the course PHYS 1112 taught by Professor Leclair,a during the Fall '07 term at Cornell University (Engineering School).

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Final_Exam_S04_v6 - Your Name Recitation Instructor's Name:...

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