Cov txheej txheem:
- Puas yog sideways parabola muaj nuj nqi?
- kab rov tav parabola yog dab tsi?
- Koj paub li cas yog parabola yog ntsug lossis kab rov tav?
- Koj pom kab rov tav ntawm parabola li cas?
Video: Dab tsi yog qhov sib npaug rau ib sab parabola?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Yog tias parabola muaj kab rov tav, tus qauv qauv ntawm qhov sib npaug ntawm parabola yog qhov no: (y - k)2=4p(x - h), qhov twg p≠ 0. Lub vertex ntawm no parabola yog ntawm (h, k). Kev tsom xam yog nyob ntawm (h + p, k). Tus directrix yog kab x=h - p.
Puas yog sideways parabola muaj nuj nqi?
Wikipedia sau tib yam: "Raws li piv txwv, ib sab parabola (ib qho uas nws cov directrix yog ib txoj kab ntsug) tsis yog daim duab ntawm txoj haujlwmvim qee cov kab ntsug yuav sib tshuam lub parabola ob zaug. "
kab rov tav parabola yog dab tsi?
Lub squaring ntawm qhov sib txawv hauv qhov sib npaug ntawm parabola txiav txim siab qhov twg nws qhib: Thaum y yog squared thiab x tsis yog, lub axis ntawm symmetry yog kab rov tav thiab parabola qhib sab laug lossis sab xis. Piv txwv li, x=y2 yog kab rov tav parabola; nws tau pom hauv daim duab.
Koj paub li cas yog parabola yog ntsug lossis kab rov tav?
Yog tus x yog squared, parabola yog ntsug (qhib los yog nqis). Yog tias y yog squared, nws yog kab rov tav (qhib sab laug lossis sab xis). Yog tias qhov zoo, parabola qhib los yog mus rau sab xis. Yog tias nws tsis zoo, nws qhib los yog sab laug.
Koj pom kab rov tav ntawm parabola li cas?
Yog tias parabola muaj kab rov tav, tus qauv qauv ntawm qhov sib npaug ntawm parabola yog qhov no: (y - k)2=4p(x - h), qhov twg p≠ 0. Lub vertex ntawm no parabola yog ntawm (h, k). Kev tsom xam yog nyob ntawm (h + p, k). Tus directrix yog kab x=h - p.
Pom zoo:
Qhov sib npaug sib npaug ntawm kev sib pauv genshin cuam tshuam qhov twg?
Sib Nqus Sib Pauv yog qhov yooj yim Mondstadt quest hauv Genshin Impact. Tom qab ntawd, nkag mus hauv Cathedral thiab koj yuav pom Viktor muaj. Tham nrog nws kom qhib qhov kev tshawb fawb no. Tus tub rog Fatui no yuav xav kom cov neeg taug kev mus nrhiav qee qhov tshwj xeeb hauv Mondstadt thiab coj lawv rov qab los rau nws .
Ntawm qhov sib npaug ntawm qhov sib npaug ntawm cov reactants) thiab cov khoom) yog qhov tas li?
Nyob rau hauv ib qho tshuaj sib npaug, cov tshuaj tiv thaiv rau pem hauv ntej thiab thim rov qab Cov tshuaj tiv thaiv rov qab yog ib qho reaction uas hloov dua siab tshiab ntawm reactants rau cov khoom thiab hloov cov khoom rau reactants tshwm sim ib txhij … Hauv qhov rov qab cov tshuaj tiv thaiv, hydrogen iodide decomposes rov qab rau hauv hydrogen thiab iodine.
Dab tsi sib npaug thaum lub kaw lus nce mus txog qhov sib npaug?
sijhawm rau cov tshuaj tiv thaiv rov qab: Nco ntsoov tias qhov sib npaug tau mus txog thaum ob qho tib si nkhaus toj siab, thiab cov concentrations ntawm ob qho tib si reactants thiab cov khoom tsis hloov tom qab . Nws yog dab tsi thaum lub kaw lus nce mus txog qhov sib npaug?
Nyob rau hauv qhov sib npaug sib npaug rau combustion ntawm butane?
Kev sib xyaw ntawm butane hauv oxygen tsim cov pa roj carbon dioxide thiab dej. C4H10 + O2 → CO2 + H2O . Yuav ua li cas yog qhov sib npaug rau kev ua tiav ntawm propane? Kev sib npaug tshuaj sib npaug rau kev sib txuas ntawm propane yog:
Dab tsi yog qhov sib npaug sib npaug?
Multiplier reels muaj a braking system uas txo qhov ceev ntawm lub spinning spool thaum lub sij hawm nrumkom lub reel tswj tau ntau dua thiab muab kev tswj ntxiv rau tus angler thaum lub sij hawm nrum. … Lub tshuab hlau nplaum ua haujlwm los ntawm kev tso ntau cov hlau nplaum hauv cov lus uas tsim cov hlau nplaum nyob ib ncig ntawm lub spool .
