p2s09_exam2A_25mar09_KEY - PHYS-1200 PHYSICS II NAME_KEY...

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PHYS-1200 PHYSICS II NAME___ KEY _______ EXAM 2A March 25, 2009 Exams for each section are given in the rooms listed. If you are in the wrong section, move to the right one immediately. Circle your section number below. SECTION EXAMINATION INSTRUCTOR NUMBER ROOM 1 JROWL 2C14 Dwyer 2 JROWL 2C22 Dwyer 3 DCC 318 Adams 4 DCC 330 Nayak 5 DCC 318 Adams 6 SA 3510 Lewis 7 DCC 324 Giedt 8 SAGE 3510 Lewis 9 DCC 324 Giedt 10 JROWL 2C22 Dwyer Extra Time JROWL 2C06 The total number pages in this quiz, including this cover page, is given in the footer. Check now to see that you have all of them. Place your name on every page. This exam should start promptly at 6:00 pm and end promptly at 7:10 pm . Time management is important. If you are unclear on any question, ask a proctor. Clearly place letter and numerical answers in the spaces provided for Parts A and B. Credit is only given for the correct answer with correct units. You are permitted a single 8 ½ x11" sheet for notes. Use of any other materials will result in a zero for this examination. You may use a calculator for math functions. Collaboration on this exam will result in zero grade and letter to the Dean of Students for all students involved. To receive credit on part C you must show adequate work to justify your answer . Show your work logically and neatly. Some useful constants: v sound =343 m/s (STP), v light =3x10 8 m/s. CREDIT GRADE PART A 40 PART B 36 PART C 24 TOTAL 100 page 1 of 7
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PHYS-1200 PHYSICS II NAME___ KEY _______ EXAM 2A March 25, 2009 A. Multiple choice (4 pts each) – Select the (one) best answer to each question. _ E __A1) The speed of a sound wave is determined by: A) its amplitude. B) its intensity. C) its pitch.
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