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å ´æã§ã¯ãĒãããĄããã
į§ããĄã¯æŽæŽĩãå°åããå ´æãã¨ããĻčããĻããžããäēēåŖãįĩæ¸čĻæ¨Ąãäē¤éåŠäžŋæ§ãé§ åãŽčŗãããĒãŠãĢããŖãĻãå°åãįč§Ŗãããã¨ããžããããããæŦåŊãĢäēēãå°åãĢæšãããįįąã¯ãããã ãã§ã¯čĒŦæã§ããžããã
äēēåŖãå°ãĒããĻãããĒããįąéãæãããžãĄããããžããä¸äžŋãĒãŽãĢããžãčĄããããĒãå ´æããããžããéãĢãé常ãĢäžŋåŠã§æ´åãããĻããĻãããŠãã荿ļãĢæŽããĒãįŠēéããããžãã
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į¸å¯žæ§įčĢã¯ããæéãįŠēéã¯įĩļ寞ã§ã¯ãĒããã¨ããčãæšãį¤ēããžãããã¤ãžããä¸įã¯å¸¸ãĢä¸ã¤ãŽåēåŽãããå§ŋãæã¤ãŽã§ã¯ãĒããčĻŗæ¸Ŧč ãįļæ ãĢããŖãĻį°ãĒãčĻãæšãæãŖãĻããã¨ãããã¨ã§ãã
ããŽčĻįšãå°åãĢåŋį¨ããã¨ãå°åããžãåēåŽãããįŠēéã§ã¯ãĒããäēēã¨äēēãäēēã¨å ´æãäēēã¨č¨æļãŽéĸäŋæ§ãĢããŖãĻåŊĸæããããį¤žäŧįæįŠēããã¤ãžããããĄãããã¨ããĻæãããã¨ãã§ããžãã
ããĄãããã¨ã¯åãĒãå°åŗä¸ãŽå ´æã§ã¯ãĒãããããĢæĩããæéããããĢčįŠããã荿ļããããĢįãžããéĸäŋæ§ããããĢæŽãææ ãįĩé¨ãããããéãĒãåããã¨ã§ãåããĻæįĢããžããããĄãããã¨ã¯ãéĸäŋæ§ãĢããŖãĻæĒãŋãäŧ¸į¸Žããå ąéŗ´ããį¤žäŧįæįŠēã§ãã
ããĄãããã¯éĸäŋãŽã¨ããĢãŽãŧ
äžãã°ãåãå ´æã§ããäēēãĢããŖãĻå ¨ãéãå°åã¨ããĻįĩé¨ãããžããããäēēãĢã¨ãŖãĻã¯åãĒãé§ åã§ããåĨãŽäēēãĢã¨ãŖãĻã¯éæĨãŽč¨æļã芰ãžãŖãå ´æãããããžãããããäēēãĢã¨ãŖãĻã¯ãäŊããĒããžãĄãã§ããåĨãŽäēēãĢã¨ãŖãĻã¯å¤§åãĒäēēã¨ãŽåēäŧããããŖãå ´æãããããžããã
ã¤ãžããå°åã¨ã¯åŽĸčĻŗįãĢåēåŽãããããŽã§ã¯ãĒããäēēã¨äēēãäēēã¨å ´æãäēēã¨č¨æļãŽéĸäŋæ§ãĢããŖãĻįĢãĄä¸ããããŽãĒãŽã§ããį¸å¯žæ§įčĢãããæéãįŠēéã¯čĻŗæ¸Ŧč ãĢããŖãĻå¤ãããã¨čãããããĢãå°åããžããéĸããäēēãįĩé¨ãĢããŖãĻį°ãĒãå§ŋãæãĄãžããå°åã¯ãéĸäŋæ§ãŽæįŠēãã§ããããĄãããã§ãã
ããŽčĻįšããčĻãã¨ãį¸å¯žæ§įčĢãĢããããĸã¤ãŗãˇãĨãŋã¤ãŗãŽæåãĒåŧããããĄãããčĢã¨ããĻčĒãŋæŋãããã¨ãã§ããžããäžãã°ãE = mc²ãčããžããįŠįåĻã§ã¯ã
Eīŧã¨ããĢãŽãŧ
mīŧčŗĒé
cīŧå
é
ãæåŗããžãã
į¸å¯žæ§ããĄãããčĢã§ã¯ãããããæŦĄãŽãããĢã¨ãããžãã
EīŧããĄããããĢãããã¨ããĢãŽãŧ
mīŧããĄããããĢãããį¸å¯žįãĒčŗĒé
cīŧããĄãããã¸ã޿大å
ąæéåēĻīŧéŋãããéåēĻīŧ
ããã§ããããĄãããĢãããã¨ããĢãŽãŧãã¨ã¯ãåãĒãįĩæ¸æ´ģåãįŠįįãĒæ´ģåãæãããŽã§ã¯ãããžãããããã¯ãããĄããããĢéĸããåäēēãåå¨ãå å¨įãĢæã¤ãéĸäŋæ§ãŽä¸ã§įĢãĄä¸ãããããĄããããĢãããã¨ããĢãŽãŧãæåŗããžãã
ãžããm ã¯åãĒãįŠéãäēēåŖãæãããŽã§ã¯ãããžãããäēēãåģēįŠãåēãéãééãæ¸¯ãčĒįļãåĻæ ĄãįŠēãå°ã¨ããŖããããĄããããæ§æããããããåå¨ãåĢãæĻåŋĩã¨ããĻæããžãã
ãããéčĻãĒãŽã¯ãããããåãĢåå¨ããĻããã ãã§ã¯ãããĄãããĢãããã¨ããĢãŽãŧããĢã¯ãĒããĒãã¨ããįšã§ããäēēãåģēįŠãå¤ãåå¨ããĻããĻããäēēã ãäēããĢå¤įĢããéĸäŋæ§ãæããããã ééããĻããã ããŽįļæ ã§ã¯ãããĄããããŽã¨ããĢãŽãŧã¯ååãĢįĢãĄä¸ãããžããã
éãĢãå°ããĒįēã§ããŖãĻããäēēã¨äēēãæˇąãéŋãåããéĸäŋæ§ãįļįļįãĢįæãããĻããå ´æã§ã¯ã大ããĒįąéãįãžããžããã¤ãžããããĄããããĢãããã¨ããĢãŽãŧã¨ã¯ãäēēãįŠãŽéããŽããŽã§ã¯ãĒããããããå ąæéåēĻãĢããŖãĻįĩãŗã¤ããã¨ã§åããĻįĢãĄä¸ããã¨ããĢãŽãŧã¨ãããžãã
éŋããããŽéåēĻ
į¸å¯žæ§įčĢãĢãããĻãããŖã¨ãéčĻãĒåå¨ãŽä¸ã¤ãããå é cãã§ããåŽåŽã¯įĄéãĢåēããŖãĻãããããĢčĻããžãããããį¸å¯žæ§įčĢã§ã¯ãåŽåŽãĢã¯ãå é cãã¨ããä¸ééåēĻãåå¨ããã¨ããžããå éã¨ã¯ãåãĒãå ãŽéãã§ã¯ãããžãããããã¯ããæ å ąãå æéĸäŋãäŧãããã¨ãŽã§ããæå¤§éåēĻããæåŗããĻããžãã
ã¤ãžãåŽåŽã¯ãįĄéãĢčĻããĒãããããããæįĢã§ããį¯å˛ãĢã¯éįãããã¨ãããã¨ã§ããį§ããĄãčĻŗæ¸Ŧã§ããåŽåŽããå ãåąãį¯å˛ãĢããŖãĻåļéãããĻããžããããŽæ§é ã¯ãããĄããããĢãäŧŧãĻããžããããĄãããããžããæĻåŋĩä¸ã¯ãŠããžã§ãåēãããã¨ãã§ããžããįãžãč˛ãŖãåå°ãä¸åēĻč¨ĒãããžãĄãéŗæĨŊãčǰããŽč¨æļãéããĻįĨãŖãå ´æãĒãŠãããĄããããŽčŧĒéã¯éĸäŋæ§ãĢããŖãĻįĄéãĢæĄåŧĩããĻãããžãã
ããã䏿šã§ãäēēéãæŦåŊãĢéŋãåããéåēĻãĢã¯éįããããžããįžäģŖį¤žäŧã§ã¯ãSNSãéĢéį§ģåãįå°ēåįģãåŗæååŋãĒãŠãĢããŖãĻãæ å ąéåēĻã°ãããå éããĻããžããããããæ å ąãåąããã¨ã¨ãéĸäŋæ§ãåŊĸæããããã¨ã¯åãã§ã¯ãããžããããŠããģãŠæ å ąæčĄãįēéããĻããæˇąã荿ļããããã¨ãæŦåŊãĢå ąæãããã¨ãįĩ鍿éãå ąæãããã¨ãĢã¯éåēĻããããžããã¤ãžããå ąæãĢã¯ãå éããŽãããĒéįéåēĻãåå¨ãããŽã§ããããŽéįéåēĻããå ąæéåēĻ cãã¨čĒãŋæŋãããã¨æããžããå ąæéåēĻã¨ã¯ããäēēã¨äēēãäēēã¨å°åãäēēã¨č¨æļããæŦåŊãĢéŋãåããéĸäŋæ§ãåŊĸæã§ããæå¤§éåēĻãã§ãã
ã¤ãžãããĄãããããžããæĻåŋĩä¸ã¯įĄéãĢåēãããã¨ãã§ãã䏿šã§ããå ąæéåēĻããĢããŖãĻæéåãããĻãããŽã§ããããã§éčĻãĒãŽã¯ãããĄãããã¨ã¯ãåĸįãã§ã¯ãĒãããå°éå¯čŊæ§ããĢããŖãĻåŽįžŠãããã¨ããįšã§ãã
ãžãããããĢéčĻãĒãŽã¯ãå ąæéåēĻã¯ä¸äēēã§ã¯æįĢããĒãã¨ããįšã§ããįŠįåĻãĢãããå éã¯åŽåŽãĢåå¨ããåŽæ°ã§ãããå°åãĢãããå ąæéåēĻã¯ãéĸäŋæ§ãŽä¸ã§ããįãžããžãããäēēã¨äēēãäēēã¨å ´æãäēēã¨éŗæĨŊãäēēã¨į§ģåãäēēã¨č¨æļãããããéĸäŋæ§ãŽä¸ã§åããĻãå ąæéåēĻã¯įĢãĄä¸ãããžããã¤ãžããå°åã¨ã¯ãäēēãįŠãŽéåã§ã¯ãĒããéĸäŋæ§ãĢããŖãĻåŊĸæãããæįŠēã§ãã
čĄæŋåēįģãįŠįčˇéĸã ãã§ã¯ãããĄãããã¯æąēãžããžããã荿ļãåąãããįĩé¨ãå ąæã§ããããæéæčĻãéŋãåãããĢããŖãĻãããĄãããã¯åŊĸæãããžããį¸å¯žæ§ããĄãããčĢã¨ã¯ãããŽãå ąæéåēĻããä¸åŋãĢæŽããĒãããå°åãã荿ļã¨éĸäŋæ§ãĢããŖãĻåŊĸæãããæįŠēãã¨ããĻæãį´ããã¨ããčĻįšãŽčģĸæã§ãã
ããĄããããŽã¨ããĢãŽãŧã¨æéãčˇéĸ
E = mc²ãĢæģãã¨ãå°åãŽã¨ããĢãŽãŧã¯ãåį´ãĒčļŗãįŽã§ã¯åĸããžãããä¸ã¤ä¸ã¤ãŽčŗĒéã¯å°ãããĻããéĸäŋæ§ãĢããŖãĻįįēįãĢåĸåš ãããããŽã¨ãããžããä¸ã¤ãŽäŧ芹ãåĨãŽäŧ芹ãįãŋãä¸ã¤ãŽåēæĨäēãæ°ããåēäŧããįãŋãä¸ã¤ãŽč¨æļå ąæãæŦĄãŽæ´ģåã¸ã¤ãĒããŖãĻãããã¤ãžããå ąæã¯ãããã¯ãŧã¯ãŽä¸ã§åĸåš ããĻãããžãã
AãããBãããĢåŊąéŋãä¸ããBããããããĢåĨãŽäēēã¸äŧããããŽéĸäŋæ§ãæ°ããæ´ģåã荿ļãįãŋåēããĻãããããŽãããå°åã¨ããĢãŽãŧã¯åį´æ¯äžã§ã¯ãĒããéĸäŋæ§ãŽå ąéŗ´ãĢããŖãĻįįēįãĢåĸåš ããããŽã§ããããã¯ãäēēåŖæ¸å°į¤žäŧãĢãããĻé常ãĢéčĻãĒčĻįšã§ãã
åžæĨãŽå°åæŋįã§ã¯ããäēēåŖãåĸãããã¨ããä¸åŋãĢãĒãããĄã§ãããããããį¸å¯žæ§ããĄãããčĢã§ã¯ãåį´ãĒäēēåŖčĻæ¨Ąã ãã§ã¯å°åã¨ããĢãŽãŧã¯æąēãžããžããããããããäēēã¨äēēããŠãã ãéŋãåãããããĢããŖãĻãå°åãŽįąéã¯å¤§ããå¤åããžãã
ãžããį¸å¯žæ§įčĢã§ã¯ãæéãįĩļ寞ã§ã¯ãããžãããt' = t / â(1 - v²/c²)ã¨ããåŧããããžããéĢéã§į§ģåãããģãŠãæéãŽé˛ãŋæšãå¤ããã¨ããæåŗã§ããããĄããããåãã§ããéŊå¸ãĢã¯éŊå¸ãŽæéããããžããéĢéį§ģåãéĢéæļč˛ģãéĢéæ å ąãĢããŖãĻã常ãĢæ´æ°ããįļããæéã§ãã
䏿šã§ãå°æšãĢã¯åĨãŽæéããããžããååēčĄãŽäŧ芹ãããŧãĢãĢįˇãŽåž ãĄæéãįĨããåŖį¯ãŽåžĒį°ãä¸äģŖįļæŋãĒãŠãããŖããã¨įŠãŋéãĒãæéã§ããããã§å¤§äēãĒčĻįšã¯ãå°æšã¯ãé ããĻããããŽã§ã¯ãĒãã¨ãããã¨ã§ãããããããåĨãŽįĩ鍿éãæĩããĻãããã¨ãããžãã
ããžãĢãæč¨ã§ã¯æ¸ŦããĒãæŋãæéãæĩããĻããã¨æãããã¨ããããžããããã¯äēēãĢããŖãĻéãã¨æããžãããäžãã°ã港įēãŽå¤æšãįéąįēãŽč¨æļãå¤ãå¸å ´ãŽåããåãŠããŽé ãŽå¤äŧãŋãĢã¯ãããŽãããĒæéãæãããã¨ããããžããããĄãããã¨ã¯ããįĩ鍿éãŽå¯åēĻãĢããŖãĻåŊĸæãããæįŠēãã¨ãč¨ããžãã
į¸å¯žæ§įčĢã§ã¯ãčˇéĸããŽããŽãįĩļ寞ã§ã¯ãããžãããs² = c²t² - x² - y² - z²ã¨ããåŧã§ã¯ãįŠēéã¨æéãåãããĻãæįŠēčˇéĸãã¨ããĻæąããžããã¤ãžããčˇéĸã¨ã¯åãĒãįŠįįãĒéˇãã§ã¯ãĒããæéãįļæ ãåĢããĻæąēãžãããŽã ã¨ããčãæšã§ããããŽčããŽčĻįšãããĄããããįč§ŖããčĻįšãĢåŋį¨ã§ããžããããĄãããããžããåį´ãĒčˇéĸã ãã§ã¯æ¸Ŧããžããã
čŋããĻãé ãæããå°åããããžããéãĢãé ãéĸããĻããĻããæ¸¯įēæåãįĨį¤ŧæåãããŧãĢãĢįˇãŽæčĻãĒãŠãå ąéŗ´ããã¨ãäēēã¯ãããĢãčŋãããæããžããã¤ãžããäēēã¯åį´ãĒå°įįčˇéĸã ãã§å°åãæããĻããããã§ã¯ãããžããããããĢãã荿ļãæåãįĩ鍿éãįŠēæ°æãį§ģåäŊé¨ãĒãŠãĢããŖãĻããåŋįįãĒčˇéĸãããéĸäŋæ§ãŽčˇéĸããå¤åããĻãããŽã§ããã¤ãžããããĄããããŽčˇéĸã¯ã荿ļãģå ąæãģįĩ鍿éãĢããŖãĻå¤åãããŽã§ãã
荿ļã¨ãēãŦãå°åãã˛ãã¤ãã
ä¸čŦį¸å¯žæ§įčĢã§ã¯ãčŗĒéãã¨ããĢãŽãŧãæįŠēãæ˛ããã¨čããžããGÎŧÎŊ = (8ĪG / câ´) TÎŧÎŊã¨ããåŧã§ããã襨įžãããžããéŖč§ŖãĒåŧã§ãããį°ĄåãĢč¨ãã°ããįŠčŗĒãã¨ããĢãŽãŧãåå¨ããã¨ãæįŠēãŽåŊĸããŽããŽãå¤åãããã¨ããæåŗã§ããæįŠēãŽãããŋãéåãįãŋãžãã
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