2053_Spring11_Exam1 - 77777 77777 Instructor(s Rinzler/Qiu...

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77777 77777 Instructor(s): Rinzler/Qiu PHYSICS DEPARTMENT PHY 2053 Exam 1 February 23, 2011 Name (print, last first): Signature: On my honor, I have neither given nor received unauthorized aid on this examination. YOUR TEST NUMBER IS THE 5-DIGIT 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 5-digit 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. If you believe that no listed answer is correct, leave the form blank. (6) Hand in the answer sheet separately. Use g = 9 . 80 m/s 2 1. Two points are given in polar coordinates as ( r 1 1 ) = (10 . 3m , 45 . 0 ) and ( r 2 2 ) = (7 . 6m , 225 . 0 ). The distance between the two points is: (1) 17.9 m (2) 15.2 m (3) 12.7 m (4) 10.3 m (5) 8.9 m 2. 4 quarts = 3.786 liters and 1000 cm 3 = 1 liter. An ice cream company is going to distinguish its product by selling its one quart of ice cream in cubical metal containers. The inside edge length (in centimeters) of that cubical quart container is: (1) 9.818 (2) 10.00 (3) 9.465 (4) 9.212 (5) 9.028 3. A position vector is 3.00 m long at an angle of 30 measured counter-clockwise from the positive y-axis. The signed x-
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2053_Spring11_Exam1 - 77777 77777 Instructor(s Rinzler/Qiu...

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