Physics 30 Jan 01 Diploma Exam

28 physics data sheet constants gravity electricity

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Unformatted text preview: g = 9.81 m/s or 9.81 N/kg Gravitational Constant ........................ G = 6.67 × 10 Mass of Earth ...................................... Me = 5.98 × 10 kg Radius of Earth ................................... Re = 6.37 × 10 m Coulomb’s Law Constant.................... k = 8.99 × 10 Electron Volt....................................... 1 eV = 1.60 × 10 Elementary Charge.............................. e = 1.60 × 10 Index of Refraction of Air................... n = 1.00 Speed of Light in Vacuum .................. c = 3.00 × 10 m/s 2 N.m /kg –11 2 2 24 22 N.m /C –19 –19 For any Vector R= adjacent cosθ = hypotenuse 6 9 opposite hypotenuse sin θ = tan θ = opposite tan θ = adjacent J 8 2 Ry Rx Rx = R cos θ a b c = = sin A sin B sin C C 2 Rx + Ry R Ry = R sin θ c = a + b – 2ab cos C 2 2 2 Graphing Calculator Window Format Atomic Physics x: [xmin, xmax, xscl] Energy of an Electron in the 1st Bohr Orbit of Hydrogen ..................... E1 = – 2 .18 × 10 –18 Planck’s Constant ............................... h = 6.63 × 10 J.s or 4.14 × 10 Radius of 1st Bohr Orbit of Hydrogen r1 = 5.29 × 10 Ry...
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