spring_06_exam4_phy2054

spring_06_exam4_phy2054 - 77777 77777 PHYSICS DEPARTMENT...

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Unformatted text preview: 77777 77777 PHYSICS DEPARTMENT PHY 2054 Final Exam S & F Chs 1525 May 1, 2006 Profs. F.E. Dunnam, P. Avery Name (print): 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. DIRECTIONS (1) Bubble in your test number on your ScanTron sheet (use 7680 for the 5-digit number) . Print and bubble in your last name, first and middle initial on your ScanTron sheet. Similarly, print and bubble in your 8 digit UFID on your ScanTron sheet. (2) PRINT and SIGN your full name at the top of the question sheet. (3) At the end of the exam, turn in separately the question sheet and ScanTron sheet. (4) If there is no answer close enough to be correct, the correct answer is to leave the question blank. You should not expect many of these. (5) Blacken the circle of your intended answer completely, using a number 2 pencil . Do not make any stray marks or the answer sheet may not read properly. (6) Good luck! >>>>>>>> BEFORE YOU FINISH <<<<<<<< Make sure that your name is printed and signed on top. Hand in the ScanTron sheet separately. Note: Numerical answers may be rounded off within 1% of calculated values. Useful (?) Constants: k = 9 10 9 Nm 2 /C 2 = 4 10- 7 Tm/A electron mass m e = 9 . 1 10- 31 kg proton mass m p = 1 . 67 10- 27 kg elementary charge e = 1 . 6 10- 19 C n water = 1 . 333 milli- = 10- 3 micro- = 10- 6 mega-=10 6 pico- = 10- 12 cw = clockwise ccw = counterclockwise 1. An electron and a proton, located several m apart and initially at rest, accelerate toward each other in a location far from any other fields or particles. When they collide, the ratio of their kinetic energies, K e /K p is approximately (1) 1840 (2) 1.0 (3) 3 . 4 10 6 (4) 5 . 5 10- 4 (5)- 1 2. A large parallel-plate capacitor of capacitance C has charge Q on its plates and potential difference V across them....
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This test prep was uploaded on 04/17/2008 for the course PHY 2054 taught by Professor Avery during the Spring '08 term at University of Florida.

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spring_06_exam4_phy2054 - 77777 77777 PHYSICS DEPARTMENT...

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