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Unformatted text preview: 77777 77777 Instructor(s): J. Ipser PHYSICS DEPARTMENT PHY 2004 Exam 3 April 28, 2008 Name (print, last first): Signature: On my honor, I have neither given nor received unauthorized aid on this examination. YOUR TEST NUMBER IS THE 5DIGIT NUMBER AT THE TOP OF EACH PAGE. (1) Code your test number on your answer sheet (use lines 76–80 on the answer sheet for the 5digit number) . Code your name on your answer sheet. DARKEN CIRCLES COMPLETELY . Code your UFID number on your answer sheet. (2) Print your name on this sheet and sign it also. (3) Do all scratch work anywhere on this exam that you like. Circle your answers on the test form. At the end of the test, this exam printout is to be turned in. No credit will be given without both answer sheet and printout. (4) Blacken the circle of your intended answer completely, using a #2 pencil or blue or black ink . Do not make any stray marks or some answers may be counted as incorrect. (5) The answers are rounded off. Choose the closest to exact. There is no penalty for guessing. (6) Hand in the answer sheet separately. g = 9 . 80 m/s 2 1. In this problem all angles are measured counterclockwise with respect to the positive xaxis. A hiker travels at angle 30 ◦ for 10 s at a speed of 2 m/s. In the second leg of her trip, the hiker travels at angle 225 ◦ for 20 s at 1.5 m/s. At the end of the third leg of her trip, the hiker finds that for the whole trip of three legs her net displacement has magnitude 25 m and is directed at angle 180 ◦ . What is the angle of the third leg?...
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This note was uploaded on 12/15/2011 for the course PHY 2004 taught by Professor Staff during the Fall '08 term at University of Florida.
 Fall '08
 Staff
 Physics, Applied Physics

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