Exam 1 Fall 2006

Exam 1 Fall 2006 - 1 PHYSICS 221 Fall 2006 EXAM 1 October 4...

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Unformatted text preview: 1 PHYSICS 221 Fall 2006 EXAM 1: October 4 2006 8:00pm—10:00pm Name (printed): ______________________________________________ ID Number: _________________________________________________ Recitation Instructor: _________________________ Section #_______ INSTRUCTIONS: This exam contains 30 equally weighted multiple-choice questions . Choose one answer only for each question. Choose the best answer to each question. Answer all questions. Allowed material: Before turning over this page, put away all materials except for pens, pencils, erasers, rulers, your calculator. There is a formula sheet attached at the end of the exam. Other copies of the formula sheet are not allowed. Calculator: In general, any calculator, including calculators that perform graphing numerical analysis functions, is permitted. Electronic devices that can store large amounts of text, data or equations are NOT permitted. If you are unsure whether or not your calculator is allowed for the exam, ask your TA. Examples of allowed calculators: Texas Instruments TI-30XII/83/83+/89, 92+ Casio FX115/250HCS/260/7400G/FX7400GPlus/FX9750 Sharp EL9900C. Examples of electronic devices that are not permitted: Any laptop, palmtop, pocket computer, PDA or e-book reader. How to fill in the bubble sheet : Use a number 2 pencil. Do NOT use ink. If you did not bring a pencil, ask for one. Write and fill in the bubbles corresponding to: - Your last name, middle initial, and first name. - ¡ ¡ Your ID number (the middle 9 digits on your ISU card) ¡ ¡- Special codes K to L are your recitation section. (Honors section, please enter 24) Please turn over your bubble sheet when you are not writing on it. If you need to change any entry, you must completely erase your previous entry. Also, circle your answers on this exam booklet . Before handing in your exam, be sure that your answers on your bubble sheet are what you intend them to be. You may also copy down your answers on a piece of paper to take with you and compare with the posted answers. You may use the table at the end of the exam for this. When you are finished with the exam, place all exam materials, including the bubble sheet, and the exam itself, in your folder and return the folder to your recitation instructor. No cell phone calls allowed . Either turn off your cell phone or leave it at home. Anyone answering a cell phone must hand in their work; their exam is over. Best of luck, Paula Herrera and Anatoli Frishman 2 1. If the vectors P G , Q G and R G satisfy the relations R Q P G G G = + and 2 2 2 R Q P = + , what is the angle between P G and Q G ? a. 0º b. 15º c. 30º d. 90º e. 120º 2. Consider the vectors A G and B G shown in the diagram below lie in the x-y plane. Both vectors have the same magnitude A = B = 3. The scalar product B A G G ⋅ is: a. 7.8 b. 4.5 c. 3.0 d. 9.0 e. 15.6 YOU SHOULD ASSUME THAT AIR RESISTANCE IS NEGLIGIBLE IN ALL PROBLEMS....
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This test prep was uploaded on 03/27/2008 for the course PHYS 221 taught by Professor Herrera-siklody during the Fall '08 term at Iowa State.

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Exam 1 Fall 2006 - 1 PHYSICS 221 Fall 2006 EXAM 1 October 4...

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