SATII物理,公式与知识点总汇

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1、Newton’sLaw√√√Work,Energy,andPowerLinearMomentum̅CollisionsElasticcollision:Inanisolatedsystem,momentumandkineticenergyareconserved.Inelasticcollision:Momentumisconservedandkineticenergyisnotconserved.Perfectlyortotallyinelasticcollision:momentumisconserved,kineticenergy

2、isnotconserved,andtheobjectssticktogether.CenterofMass∑∑RotationalMotion̅averageangularvelocity̅,averageangularaccelerationKepler’sLawsFirstLaw:Theorbitofeachplanetisanellipseandthesumisatonefocus.SecondLaw:Animaginarylinefromthesuntoamovingplanetsweepsoutequalareainequali

3、ntervalsoftime.ThirdLaw:Theratioofthesquareofaplanet’speriodofrevolutiontothecubeofitsaveragedistancefromthesunisaconstantthatisthesameforallplanets.ElectricPotentialandCapacitance()MagneticForcesandFields

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5、.Oscillations√√Insimpleharmonicmotion,boththefreque

6、ncyandtheperiodareindependentoftheamplitudePendulums√√Waves√StandingWavesSoundWavesResonanceTheDopplerEffectOpticsDiffraction:aragospot,single-slitInterference:filminterference,double-slit,newtonringReflectionandRefractionTICoccurswhenThermalPhysicsCalorime

7、tryI:CalorimetryII:PV=nRT,

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9、HeatTransferConduction:ironskilletConvection:candleflamewarmsRadiation:sunlightModernPhysics

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11、[]SpecialEnergyAllthelawsofphysicsarethesameinallinertialreferenceframes.Thespeedoflightinvacuumalwayshasthesamevalue,regardlessofthemotionof

12、thesourceortheobserver.√