Constantspeedoflightinprinciplewiththespeedoflight,theconceptofthedifferencebetween
CanbeinferredfromtheMaxwellequations,thelightwavesareelectromagneticwaves.AccordingtoMaxwell''sequations,wehaveintroducedsowehavecometothepropagationvelocityoflightinavacuumisconstant,unlessthevacuumpermittivityorpermeabilitychanges.Hereisthespeedoflight.Thentheconstantspeedoflight,poorlightandthemovementofotherobjectsthatspeeddifferencethen?
Thesizeofaspeedofanobjectisadescriptionofthemovementsize,isdescribedinthestateofmotionofanobject;describedmotiondifferenceisthedifferencebetweenthestateofmotionofthetwoobjects.
Theso-calledspeedoflight,thatis,thespeedoflightinvacuum,aslongasthevacuumpermittivityormagneticpermeabilityisnotchanged,thespeedoflightdoesnotchange.Thisisthelightoftheirownaffairs.LightspeedPoorLightspeeddifferencedescribedmotiondifferenceisthedifferencebetweenthestateofmotionofthetwoobjects,isanillustrationofthelightandthedifferencebetweentheothertwoobjectsoftheobjectspeed.Concernedwiththenatureofthelightitself,isalsorelatedtothestateofmotionofanotherobject,relatedtothenatureoftheanotherobject.
''Sport''and''themotionofanobjectthesizeof''inV,islikelytocauseconfusionbetweenthetwo.
ThetheMaxwellequationconstantspeedoflightisthesamespeedthanthespeedoflightdifferenceunchanged.Thespeedoflight,thedifferencebetweenthelightbrightwithanotherobject.Accordingtothemovementawareness-Sports",theforceisthereasontochangethestateofmotionoftheobject,themovementofthetwoobjectsdifferentialchange,mustbeastrongroleinoneoftheobjects[1],wehavecomeeveniflightvacuumpermittivityThepermeabilityconstant,i.e.theconstantspeedoflight,ifanotherobjectistheforcebetweenthespeeddifferencewillchange.
Weknowthattheobjectexistsinthespace,themovementisthemovementoftheobjectinspace.Onlythespaceintervalbetweentwoobjectsischanged,wesaythattheobject(withrespecttoreferencesystem)isinmotion.Thechangeofthespacingofthespaceistodeterminetheamountofmovementoftheobject.Ifthespaceintervaldoesnotchange,wecansaythattheobjectdoesnothavea(relative)movement.Thespace(interval)ofthechangeistodeterminethestandardofthemovementoftheobject.
Relatedtothemagnitudeofthedifferenceofthespeedofmovementofthespatialintervalvariationisdeterminedbythesizeofthemotiondifference.
Thenthetheoryofrelativityintheconstancyofthespeedoflightthatiskindofthesame?
Accordingtotheprincipleofconstancyofthespeedoflight,wehaveintroducedtherelativityofsimultaneity.Principleoftheconstancyofthespeedoflightintherelativityofsimultaneity,weunderstandhow?Saidlightinavacuumunchangedregardlessofwhichreferencesystem,butanotherobjectGameschangescausedbytheintervalofspacebetweenthelightandtheobject.HerespatialintervalchangeinEinsteinsaidtorelativityofsimultaneity,infact,isthespeedoflightandpoorchange.
Accordingtothesametotalamountofmovementispoororthatthetotalamountofmovementispoorconservation,weknowthatthelightisdifferentwiththedifferenceinmovementbetweendifferentmovingobjects.
Infact,weusuallysaysportsisapoorsport.Movementispoortosaythemovement.
References:[1]"Campaignrecognizes-SportsPoor
The2013-1-2215:32:02WuXingguang（吴兴广-中国）essay
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