Video: Dab tsi yog qhov vertex ntawm Gateway Arch?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Cov vertex , (315, 630), yog raws nraim nyob rau hauv nruab nrab ntawm kab rov tav ntu txuas ob lub ntsiab lus ntawm arch qhov twg qhov siab tshaj hauv av yog 600 ko taw.
Xav txog qhov no, puas yog Gateway Arch yog parabola?
Xaus. Kab lus no tau qhia txog Rooj vag Arch tsis yog a parabola . Xwb, nws yog nyob rau hauv cov duab ntawm ib tug flattened (los yog hnyav) catenary, uas yog cov duab peb pom yog hais tias peb dai ib tug saw uas nyias nyob rau hauv nruab nrab ntawm ob lub ntsiab lus.
Tsis tas li ntawd, keeb kwm ntawm Gateway Arch yog dab tsi? Louis, Missouri. Cov Rooj vag Arch , tsim los ntawm Finnish-yug, Asmeskas-kawm kws kos duab Eero Saarinen, tau tsim los ua kev nco txog Thawj Tswj Hwm Thomas Jefferson's Louisiana Purchase ntawm 1803 thiab ua kev zoo siab St. Louis 'lub luag haujlwm tseem ceeb hauv kev nthuav dav sab hnub poob sai sai uas ua raws.
Tsis tas li ntawd, dab tsi yog qhov kev sib npaug plaub npaug rau St Louis Arch?
Louis yog parabolic. Nws yog 630 ko taw siab ntawm av mus rau vertex thiab 630 ko taw dav rau hauv av. Kev tsom xam los ntawm hauv av siab npaum li cas? Basic equation ntawm a parabola uas qhib downwards: (x-h)^2 = 4p(y-h), (h, k) = (x, y) coordinates ntawm lub vertex.
Dab tsi ntawm koov yog Gateway Arch?
Cov Rooj vag Arch yog 630-foot (192 m) monument nyob rau hauv St. Louis, Missouri, United States. Clad nyob rau hauv stainless hlau thiab ua nyob rau hauv daim ntawv ntawm ib tug hnyav catenary arch , nws yog lub ntiaj teb siab tshaj plaws arch , lub siab tshaj plaws neeg tsim monument nyob rau hauv lub Western Hemisphere, thiab Missouri lub siab tshaj plaws nkag tau mus rau hauv lub tsev.
Pom zoo:
Dab tsi yog qhov txawv ntawm qhov ua tau zoo thiab cov khoom lag luam teb thiab cov ntsiab lus ntawm kev lag luam uas txhua qhov ua haujlwm zoo tshaj?
Lub tuam txhab muaj peev xwm ua kom tau raws li cov neeg siv khoom xav tau raws sijhawm yog hu ua Kev Ua Haujlwm Zoo, thaum ua haujlwm tau zoo yog lub tuam txhab muaj peev xwm xa khoom raws li tus neeg siv khoom xav tau nrog tsawg kawg ntawm cov khoom siv raw, kev ua haujlwm thiab tus nqi
Dab tsi yog qhov txawv ntawm qhov point thiab nonpoint qhov chaw ntawm dej paug?
Piv txwv li, cov dej tso tawm los ntawm cov chaw tsim khoom lag luam ntawm qee yam lossis cov chaw kho dej khib nyiab. Cov chaw uas tsis yog cov ntsiab lus suav nrog kev khiav tawm ntawm thaj av ua liaj ua teb uas tuaj yeem ntxuav cov chiv lossis lwm yam tshuaj rau hauv pas dej lossis dej ntws - qhov no yuav tshwm sim ntau txhiab square kilometers
Dab tsi txaus ntshai zoo kawg li nws yog qhov peb yuav tsum tau khawb trenches thiab sim cov roj npog qhov ncauj qhov ntswg ntawm no vim muaj kev sib cav nyob hauv lub tebchaws nyob deb ntawm cov neeg uas peb tsis paub dab tsi?
Qhov txaus ntshai npaum li cas, zoo heev, zoo kawg yog tias peb yuav tsum tau khawb trenches thiab sim roj-qhov ncauj qhov ntswg ntawm no vim muaj kev sib cav nyob rau hauv ib lub teb chaws nyob deb ntawm cov neeg uas peb tsis paub dab tsi. Nws zoo nkaus li tseem tsis yooj yim dua tias kev sib cav uas twb tau hais tseg hauv txoj cai yuav tsum yog kev ua tsov rog
Dab tsi yog qhov cuam tshuam ntawm qhov kev nkag siab ntawm qhov project?
Scope creep - hloov lub ntsiab lus ntawm qhov project thiab xav tau cov txiaj ntsig yam tsis muaj kev nce nyiaj hauv cov peev txheej, peev txheej lossis sijhawm - ua rau cov hnub kawg thiab cov nqi them dhau. Qhov no tuaj yeem txo lossis tshem tawm cov nyiaj tau los, ua rau poob lub koob npe nrov lossis ua rau lwm yam kev nplua, nyob ntawm cov nqe lus ntawm daim ntawv cog lus qub
Dab tsi yog qhov txawv ntawm qhov cuam tshuam qhov (socket) thiab lub qhov (socket) pa?
Rau kuv qhov kev paub qhov sib txawv yog nqes mus rau cov khoom siv Qhov saum npoo-hardening ua rau muaj kev cuam tshuam cov qhov (socket) kom nqus tau qhov hloov pauv tam sim ntawd (aka 'kev cuam tshuam') zoo dua. Nrog rau kev cuam tshuam txaus txaus, lub qhov (socket) tsis tu ncua tuaj yeem tawm ntawm cov duab vim tias cov hlau siv muaj softer