2048_Fall08_FinalExam

2048_Fall08_FinalExam - 77777 Instructor(s):...

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77777 77777 Instructor(s): Mueller/Rinzler PHYSICS DEPARTMENT PHY 2048 Final Exam December 13, 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 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. (6) Hand in the answer sheet separately. Useful information: g = 9 . 80 m/s 2 G = 6 . 67 × 10 - 11 Nm 2 /kg 2 M Earth = 5 . 98 × 10 24 kg R Earth = 6 . 37 × 10 6 m M Sun = 1 . 99 × 10 30 kg d Earth - Sun = 1 . 5 × 10 11 m
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77777 77777 1. A race car traveling with constant acceleration increases its speed from 10 m/s to 50 m/s over a distance of 60 m. What is its acceleration? (1) 20 m/s 2 (2) 8 m/s 2 (3) 12 m/s 2 (4) 16 m/s 2 (5) 40 m/s 2 2. If the y-component of a vector ~ A , in the xy plane, is half as large as the magnitude of the vector, the angle between the vector and the x-axis is: (1) 30 (2) 60 (3) 45 (4) 90 (5) 20 3. An object is constrained by a cord to move in a circular path of radius 0.5 m on a horizontal frictionless surface. The cord will break if its tension exceeds 16 N. The maximum kinetic energy the object can have is:
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This note was uploaded on 01/25/2011 for the course PHY 2048 taught by Professor Field during the Summer '08 term at University of Florida.

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2048_Fall08_FinalExam - 77777 Instructor(s):...

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