essential univercity physics_2nd_2011_0321696921_physic

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1、PHYSICALCONSTANTSCONSTANTSYMBOLTHREE-FIGUREVALUEBESTKNOWNVALUE*8Speedoflightc3.00310m/s299792458m/s(exact)219219Elementarychargee1.60310C1.6021764871402310C231231Electronmassme9.11310kg9.109382151452310kg227227Protonmassmp1.67310kg1.6726216371832310kg2112221122GravitationalconstantG6.67310

2、N#m/kg6.674281672310N#m/kg1.263102621H/m227Permeabilityconstantm0N/A4p310(exact)8.85310212221F/m22PermittivityconstantP0C/N#m1/m0c(exact)223223Boltzmann’sconstantk1.38310J/K1.38065041242310J/KUniversalgasconstantR8.31J/K#mol8.3144721152J/K#molStefan–Boltzmannconstants5.6731028W/m2#K45.6704

3、00140231028W/m2#K4234234Planck’sconstanth152p"26.63310J#s6.626068961332310J#s23212321Avogadro’snumberNA6.02310mol6.022141791302310mol211211Bohrradiusa05.29310m5.29177208591362310m*Parenthesesindicateuncertaintiesinlastdecimalplaces.Source:U.S.NationalInstituteofStandardsandTechnology,2007v

4、aluesSIPREFIXESTHEGREEKALPHABETPOWERPREFIXSYMBOLUPPERCASELOWERCASE2410yottaYAlphaAa2110zettaZBetaBb1810exaEGammaGg1510petaPDeltaDd1210teraTEpsilonEP910gigaGZetaZz610megaMEtaHh310kilokThetaUu210hectohIotaIi110decadaKappaKk010——LambdaLl2110decidMuMm2210centicNuNn2310millimXiJj2610microμOmicr

5、onOo2910nanonPiPp21210picopRhoRr21510femtofSigmaSs21810attoaTauTt22110zeptozUpsilonYy22410yoctoyPhiFfChiXxPsiCcOmegaVvConversionFactors(moreconversionfactorsinAppendixC)LengthMass,energy,forcePressure2271in52.54cm1u51.661310kg1atm5101.3kPa5760mmHg1mi51.609km1cal54.184J21atm514.7lb/in1ft50.

6、3048m1Btu51.054kJ1lightyear59.4631015m1kWh53.6MJRotationandangle1eV51.602310219J1rad5180°/p557.3°Velocity1pound1lb254.448N1rev5360°52prad1mi/h50.447m/s5weightof0.454kg1rev/s560rpm1m/s52.24mi/h53.28ft/sTimeMagneticfield241day586,400s1gauss510T71year53.16310sEssentialUNIVERSITYPHYSICSSECONDE

7、DITIONRichardWolfsonMiddleburyCollegePublisher:JamesSmithExecutiveEditor:NancyWhiltonProjectEditor:MarthaSteeleDirectorofDevelopment:MichaelGillespieEditorialManager:LauraKenneyDevelopmentEditor:AshleyEklundEditorialAssistant:PeterAlstonManagingEditor:CorinneB