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2009BAP 1 - AP Physics B 2009 Free-Response Questions The...

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AP ® Physics B 2009 Free-Response Questions The College Board The College Board is a not-for-profit membership association whose mission is to connect students to college success and opportunity. Founded in 1900, the association is composed of more than 5,600 schools, colleges, universities and other educational organizations. Each year, the College Board serves seven million students and their parents, 23,000 high schools and 3,800 colleges through major programs and services in college readiness, college admissions, guidance, assessment, financial aid, enrollment, and teaching and learning. Among its best-known programs are the SAT ® , the PSAT/NMSQT ® and the Advanced Placement Program ® (AP ® ). The College Board is committed to the principles of excellence and equity, and that commitment is embodied in all of its programs, services, activities and concerns. © 2009 The College Board. All rights reserved. College Board, Advanced Placement Program, AP, AP Central, SAT, and the acorn logo are registered trademarks of the College Board. PSAT/NMSQT is a registered trademark of the College Board and National Merit Scholarship Corporation. Permission to use copyrighted College Board materials may be requested online at: www.collegeboard.com/inquiry/cbpermit.html. Visit the College Board on the Web: www.collegeboard.com. AP Central is the official online home for the AP Program: apcentral.collegeboard.com.
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-2- TABLE OF INFORMATION FOR 2008 and 2009 CONSTANTS AND CONVERSION FACTORS Proton mass, 27 1.67 10 kg p m - = ¥ Electron charge magnitude, 19 1.60 10 C e - = ¥ Neutron mass, 27 1.67 10 kg n m - = ¥ 1 electron volt, 19 1 eV 1.60 10 J - = ¥ Electron mass, 31 9.11 10 kg e m - = ¥ Speed of light, 8 3.00 10 m s c = ¥ Avogadro’s number, 23 -1 0 6.02 10 mol N = ¥ Universal gravitational constant, 11 3 2 6.67 10 m kg s G - = ¥ i Universal gas constant, 8.31 J (mol K) R = i Acceleration due to gravity at Earth’s surface, 2 9.8 m s g = Boltzmann’s constant, 23 1.38 10 J K B k - = ¥ 1 unified atomic mass unit, 27 2 1 u 1.66 10 kg 931 MeV c - = ¥ = Planck’s constant, 34 15 6.63 10 J s 4.14 10 eV s h - - = ¥ = ¥ i i 25 3 1.99 10 J m 1.24 10 eV nm hc - = ¥ = ¥ i i Vacuum permittivity, 12 2 2 0 8.85 10 C N m - = ¥ i Coulomb’s law constant, 9 2 2 0 1 4 9.0 10 N m C k p = = ¥ i Vacuum permeability, 7 0 4 10 (T m) A m p - = ¥ i Magnetic constant, 7 0 4 10 (T m) A k m p - = = ¢ i 1 atmosphere pressure, 5 2 5 1 atm 1.0 10 N m 1.0 10 Pa = ¥ = ¥ meter, m mole, mol watt, W farad, F kilogram, kg hertz, Hz coulomb, C tesla, T second, s newton, N volt, V degree Celsius, C ampere, A pascal, Pa ohm, W electron-volt, eV UNIT SYMBOLS kelvin, K joule, J henry, H PREFIXES VALUES OF TRIGONOMETRIC FUNCTIONS FOR COMMON ANGLES Factor Prefix Symbol q 0 D 30 D 37 D 45 D 53 D 60 D 90 D 9 10 giga G sin q 0 1 2 3 5 2 2 4 5 3 2 1 6 10 mega M cos q 1 3 2 4 5 2 2 3 5 1 2 0 3 10 kilo k tan q 0 3 3 3 4 1 4 3 3 2 10 - centi c 3 10 - milli m 6 10 - micro m 9 10 - nano n 12 10 - pico p The following conventions are used in this exam.
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