AP物理C真题2014.pdf

AP® Physics C: Mechanics 2014 Free-Response Questions © 2014 The College Board. College Board, Advanced Placement Program, AP, AP Central, and the acorn logo are registered trademarks of the College Board. Visit the College Board on the Web: . AP Central is the official online home for the AP Program: . TABLE OF INFORMATION, EFFECTIVE 2012 CONSTANTS AND CONVERSION FACTORS -27 -19 Proton mass, mp 1.67 =¥10 kg Electron charge magnitude, e 1.60 =¥10 C -27 -19 Neutron mass, mn 1.67 =¥10 kg 1 electron volt, 1 eV 1.60 =¥10 J Electron mass, me 9.11 =¥10-31 kg Speed of light, c 3.00 =¥108 m s 23 -1 Universal gravitational -11 3 2 Avogadro’s number, N 0 6.02 =¥10 mol G 6.67 =¥10 m kgis constant, Acceleration due to gravity 2 Universal gas constant, R 8.31 J (moliK) g 9.8 m s at Earth’s surface, Boltzmann’s constant, kB 1.38 =¥10-23 J K 1 unified atomic mass unit, 1 u 1.66 =¥10-27 kg 931 MeV c2 Planck’s constant, h 6.63 =¥10-34 Jiis 4.14 ¥10-15 eVis