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P202_exam1(1) - Seat SPECIAL CODE In Column P Blacken in 1...

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Seat # _____________________ SPECIAL CODE In Column P: Blacken in # 1 P202 Physics Chen-Yu Liu / Roger Pynn / Hal Evans Exam #1 Last Name (print):____________________ Feb. 2, 2006 7:00 – 9:00 pm Signature:___________________________ Instructions 1. Sit in SEAT # given above. 2. DO NOT OPEN THE EXAM UNTIL YOU ARE TOLD TO DO SO. 3. Print your last name and sign your name on this page. 4. Print your name (last name first) and blacken in the letters on the answer sheet with a #2 pencil. 5. Print your student number (identification number) and blacken in the numbers on the answer sheet with a #2 pencil. 6. In column P under “SPECIAL CODE”, blacken in the number “one” on the answer sheet. 7. Use the fronts and backs of the question sheets for scratch work. Do not use any other scratch sheets. 8. This is a multiple choice exam. Blacken in the answer to each question on the answer sheet. Fill in one and only one answer to each question. It is to your advantage to answer each question even if you have to guess. 9. Keep your eyes on your own work. (Your neighbors have different exams.) 10. You have 2 hours to complete the exam. When you finish, please show a picture ID as you turn in your answer sheet and first page of your exam. Please leave quietly so others are not disturbed. THIS IS A CLOSED BOOK, CLOSED NOTES EXAM! YOU MAY USE ONLY A CALCULATOR, THE INFORMATION SHEET PROVIDED, AND ONE HAND-WRITTEN SHEET YOU BRING.
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Charge of Electron = -1.6×10 -19 C m (milli-): 10 -3 Charge of Proton = 1.6 ×10 -19 C µ (micro-): 10 -6 Mass of Electron = 9.11 ×10 -31 kg n (nano-): 10 -9 Mass of Proton = 1.673 ×10 -27 kg p (pico-): 10 -12 Mass of Neutron = 1.675 ×10 -27 kg f (femto-): 10 -15 The Magnitude of the Electric Force between two point charges q 1 and q 2 (Coulomb’s law): 2 2 1 r q q k F = k =8.99×10 9 Nm 2 /C 2 The Electric Field: q F E G G The Magnitude of the Electric Field of a point charge q: 2 1 r q k E = Electric Force on a charge in Electric Field: E q F G
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