PHY 2054 Exam 1 Fall 2010 Key

# PHY 2054 Exam 1 Fall 2010 Key - 77777 77777 Instructor(s):...

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Unformatted text preview: 77777 77777 Instructor(s): Reitze/Kumar PHYSICS DEPARTMENT PHY2054 Exam 1 September 29, 2010 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 7680 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 Constants: k e = 8 . 99 10 9 Nm 2 /C 2 = 8 . 85 10- 12 C 2 /(Nm 2 ) V=volt N=newton electron charge =- 1 . 6 10- 19 C electron mass = 9 . 11 10- 31 kg J=joule m=Meter milli=10- 3 micro=10- 6 n=nano=10- 9 pico=10- 12 C=coulomb g = 9 . 8 m/s 2 1. At what distance (in m) from a 0.9 Coulomb point charge is the magnitude of the electric field produced by the charge equal to 899 N/C? (1) 3,000 (2) 9,000 (3) 300 (4) 900 (5) 30 2. A 1 gram particle with a charge of 1 milliC starts from rest in a uniform electric field with magnitude, E = 10 N/C....
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## This note was uploaded on 10/13/2011 for the course PHY 2054 taught by Professor Avery during the Fall '08 term at University of Florida.

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PHY 2054 Exam 1 Fall 2010 Key - 77777 77777 Instructor(s):...

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