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Unformatted text preview: 77777 77777 Instructor(s): Profs. D. Reitze, H. Chan PHYSICS DEPARTMENT PHY 2053 Final Exam April 25, 2009 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. There are 2 blank sheets at the end if you need more space. 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. Constants: G = 6 . 67 × 10 11 N m 2 /kg 2 g = 9 . 80 m/s 2 1. An object with mass 0.10 kg is attached to a spring with spring constant 200 N/m. The object oscillates about the equilibrium position with an amplitude of 3.0 cm. Find the maximum velocity of the object. (1) 1.3 m/s (2) 60 m/s (3) 4.2 m/s (4) 27 m/s (5) 0.24 m/s 2. An object with mass 0.15 kg is attached to a spring with spring constant 100 N/m. The object oscillates about the equilibrium position with an amplitude of 3.0 cm. Find the maximum velocity of the object. (1) 0.77 m/s (2) 20 m/s (3) 11 m/s (4) 3.9 m/s (5) 0.14 m/s 3. An object with mass 0.20 kg is attached to a spring with spring constant 100 N/m. The object oscillates about the equilibrium position with an amplitude of 4.0 cm. Find the maximum velocity of the object. (1) 0.89 m/s (2) 20 m/s (3) 13 m/s (4) 4.1 m/s (5) 0.24 m/s 4. An airplane emits sound of frequency of 4500 Hz. The airplane travels at a speed of 240 m/s. To a stationary listener behind the plane, what is the frequency of the sound? Given that the speed of sound is 340 m/s. (1) 2640 Hz (2) 15300 Hz (3) 1320 Hz (4) 7680 Hz (5) 3180 Hz 5. An airplane emits sound of frequency of 2400 Hz. The airplane travels at a speed of 260 m/s. To a stationary listener behind the plane, what is the frequency of the sound? Given that the speed of sound is 340 m/s. (1) 1360 Hz (2) 10200 Hz (3) 4240 Hz (4) 5650 Hz (5) 1840 Hz 6. An airplane emits sound of frequency of 3100 Hz. The airplane travels at a speed of 270 m/s. To a stationary listener behind the plane, what is the frequency of the sound? Given that the speed of sound is 340 m/s....
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This note was uploaded on 05/17/2011 for the course PHY 2053 taught by Professor Buchler during the Spring '06 term at University of Florida.
 Spring '06
 Buchler
 Physics

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