2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Nrog cov khoom siv hluav taws xob zoo li no, lub qhov dub tuaj yeem nrawm rau 10% qhov nrawm ntawm lub teeb hauv 20 hnub, piv txwv li 100% kev hloov pauv ntawm lub zog rau hauv lub zog kinetic. … Tau txais lub qhov dub los ua lub hwj chim thiab lub cav kuj yuav tsum muaj txoj hauv kev los hloov lub Hawking hluav taws xob Hawking hluav taws xob Hawking hluav taws xob yog lub cev hluav taws xob dub uas yog kev xav kom tso tawm los ntawm qhov dub vim hais tias ntawm relativistic quantum cuam tshuam nyob ze ntawm lub qhov dub qhov tshwm sim qab ntug. … Lub escaping photon ntxiv qhov sib npaug ntawm lub zog zoo rau lub ntiaj teb dav dua sab nraum lub qhov dub. https://en.wikipedia.org › wiki › Hawking_radiation
Hawking hluav taws xob - Wikipedia
Nyob rau hauv lub zog thiab thrust.
Peb puas tuaj yeem siv qhov dub rau lub zog?
Ib txoj kev tshawb fawb tshiab qhia tias, ib hnub, lub zog tuaj yeem raug rho tawm ntawm qhov dub. Qhov kev kwv yees zoo kawg nkaus ntawm Einstein txoj kev xav ntawm kev sib raug zoo dav dav - txoj kev xav uas txuas qhov chaw, lub sijhawm thiab lub ntiajteb txawj nqus - yog tias tig lub qhov dub muaj ntau lub zog muaj peev xwm rub tau.
Peb tuaj yeem tau txais lub zog npaum li cas los ntawm lub qhov dub?
Penrose cov kev suav hais tias yog ib qho particle faib ua ob ntu hauv ergosphere, nrog ib daim poob rau hauv qhov xwm txheej qab ntug thiab lwm qhov khiav tawm ntawm lub qhov dub lub gravitational rub, lub zog yielded los ntawm cov khoom escaping yuav theoretically extractable, yog tias xyaum ua tsis tau.
tib neeg puas siv zog los ntawm qhov dub?
Tib neeg tuaj yeem muaj ib hnub kais tig lub qhov dub ua lub zog siv zog. … Qhov zais cia yog li cas lub zog yog tawg los ntawm cov hlau nplaum uas tso tawm thiab rov txuas dua. Niaj hnub no, kev tshawb fawb tuaj yeem pab lwm tus uas kawm thiab ntsuas qhov dub.
Yuav ua li cas yog tias peb tuaj yeem siv lub zog ntawm lub qhov dub?
Peb tuaj yeem sim ntuav cov khoom rau hauv lub qhov dub. Lub gravitational rub ntawm lub qhov dub yuav ua rau txhua yam poob rau hauv nws kom nrawm thiab tso tawm lub zog thaum nws mus. Lossis peb tuaj yeem tso cov khoom pov tseg rau hauv qhov kev sib tw ntawm lub qhov dub, qhov twg tag nrho cov hmoov av tau ntes tau hauv nws lub orbit.
Pom zoo:
Puas yog cov as-ham xav tau los ntawm lub cev los tsim lub zog?
Thaum muaj ntau yam khoom noj tseem ceeb, lawv tuaj yeem tawg ua ob pawg: macronutrients thiab micronutrients. Macronutrients tau noj ntau ntau thiab suav nrog cov thawj lub tsev ntawm koj cov zaub mov - protein, carbohydrates, thiab rog - uas muab koj lub cev nrog lub zog.
Tau siv zog lossis tau siv zog?
Puas siv zog los yog sib zog? Strove yog qhov yooj yim dhau los ua ke ntawm cov lus qhia siv zog, uas txhais tau tias ua haujlwm hnyav kom tau txais ib yam dab tsi. Strived yog daim ntawv hloov pauv uas tsis tau lees paub uas koj yuav tsum zam.
Vim li cas qhov tseem ceeb ntawm qhov muaj zog thiab qhov tsis muaj zog yog qhov tseem ceeb?
Nws yog ib qho tseem ceeb rau qhov tseem ceeb ntawm qhov ua tau zoo thiab qhov tsis muaj zog vim qhov no pab lub tuam txhab txiav txim siab txog thaj chaw uas lawv yuav tsum tau txhim kho ntxiv rau thaj chaw uas lawv ua tau zoo hauv. Vim li cas lub zog thiab qhov tsis muaj zog tseem ceeb?
Puas yog qhov muaj zog thiab qhov tsis muaj zog ntawm marxism?
Ib lub zog ntawm Marxism yog nws txoj kev xav. Nws ua haujlwm kom nthuav tawm kev tsis ncaj ncees thiab fervently ntseeg tias txhua tus neeg yuav tsum tau kho nrog kev sib luag thiab meej mom. … Ntawm qhov tsis zoo, txawm li cas los xij, ib qho qhov tsis muaj zog ntawm Marxism yog nws ua rau lub xeev tyranny.
Puas yog qhov muaj zog tshaj qhov tsis muaj zog hauv sparta?
Sparta ua phem heev thiab txhua yam lawv xav txog yog muaj tub rog muaj zog tshaj plaws. Qhov tsis muaj zog ntawm Sparta tshaj qhov muaj zog vim Spartans tsis muaj kev kawm, cov tub hluas raug tshem tawm ntawm lawv tsev neeg thaum tseem hluas, thiab lawv raug tsim txom heev.
