Video: Lub suab puas nrawm dua ntawm ntoo lossis hlau?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Yog suab nthwv dej ntawm tib lub zog tau dhau mus dhau ib block ntoo thiab ib qho thaiv ntawm cov hlau, uas yog tuab dua li ntawm ntoo , cov molecules ntawm cov hlau yuav vibrate ntawm ib tug qeeb qeeb. Yog li, suab hla ntau dua dhau tus ntoo , uas yog lessdense.
Tsuas yog li ntawd, dab tsi yog cov khoom siv zoo tshaj plaws rau lub suab mus ncig?
Suab mus ncig ceev tshaj plaws dhau khoom, qeeb dhau kua thiab qeeb tshaj plaws dhau cov pa.
Ib yam li ntawd, lub suab puas nrawm dua hauv dej lossis hlau? Qhov tseeb, suab nthwv dej taug kev tshaj 17x sai dua dhau hlau tshaj ntawm huab cua. Suab nthwv dej taug kev tshaj plaub zaug sai dua hauv dej tshaj nws yuav nyob hauv huab cua.
Hauv qhov no, lub suab puas tuaj yeem dhau los ntawm ntoo?
Suab taug kev sai dua dhau solids vim hais tias cov molecules nyob rau hauv cov khoom yog nruj nreem packed ua ke dua lawv nyob rau hauv cov huab cua. Piv txwv li, suab taug kev ntawm 8,859 mais ib teev ntawm ntoo . Suab kuj tuaj yeem taug kev kua, tab sis tsis sai li sai tau dhau cov khoom khib nyiab.
Lub suab nrawm npaum li cas los ntawm cov khoom sib txawv?
Qhov ceev ntawm Suab : Suab mus ncig ntawm txawv speeds nyob ntawm seb nws yog dab tsi taug kev . Ntawm peb nruab nrab (gas, kua, thiab khoom) suab nthwv dej taug kev qeeb tshaj plaws dhau gases, sai dhau los kua, thiab ceev tshaj plaws dhau ntawm cov khoom.
Pom zoo:
Cov suab puas nrawm dua los ntawm dej lossis huab cua?
Suab nyob rau hauv dej Nyob rau hauv dej, cov hais yog ntau nyob ze ua ke, thiab lawv muaj peev xwm sai sai kis lub zog vibration ntawm ib tug mus rau lwm yam. Qhov no txhais tau hais tias lub suab nthwv dej mus dhau plaub zaug sai dua li nws xav tau hauv huab cua, tab sis nws yuav siv lub zog ntau los pib qhov kev vibration
Puas yog lub suab nrov dua hauv cov kua lossis roj?
Qhov kev sim qhia tau hais tias cov khoom yog qhov zoo tshaj plaws ntawm 3 qhov nruab nrab rau lub suab mus rau qhov nrov tshaj plaws.Tib yam, raws li cov kua molecules nyob ze rau ib leeg piv rau cov pa roj, suab mus zoo dua dhau los ntawm cov roj
Vim li cas lub suab mus nrawm dua hauv cov khoom hauv cov kua?
Lub suab mus nrawm dua hauv cov khoom hauv cov kua, thiab sai dua hauv cov kua ntau dua hauv cov pa. Qhov no yog vim qhov ceev ntawm cov khib nyiab siab dua li cov kua uas txhais tau hais tias cov khoom nyob ze ua ke
Lub teeb puas mus nrawm dua hauv dej lossis huab cua?
Huab cua qhov ntsuas qhov ntsuas siab yog li 1.0003, thaum dej yog li 1.3. Qhov no txhais tau hais tias lub teeb yog "qeeb" hauv dej dua li huab cua. Qhov no yog vim hais tias nws muaj feem yuav ntaus ib tug molecule thiab tom qab ntawd tau re-emitted, lengthening lub sij hawm lub teeb yuav siv sij hawm kom tau los ntawm ib tug tej yam deb ntawm nruab nrab
Koj qhia li cas yog tias daim duab nrawm nrawm lossis qeeb?
Pib: Saib hauv lub sijhawm [0,1]. Txoj hauj lwm (tshem tawm) yog nce, yog li qhov kev tshaj tawm yog qhov zoo. Tab sis daim duab yog concave down, acceleration yog tsis zoo, yam yog qeeb, kom txog thaum nws ncav cuag tshaj tawm (thiab ceev) 0 thaum lub sij hawm 1