Dab tsi yog qhov vertex ntawm Gateway Arch?
Dab tsi yog qhov vertex ntawm Gateway Arch?

Video: Dab tsi yog qhov vertex ntawm Gateway Arch?

Video: Dab tsi yog qhov vertex ntawm Gateway Arch?
Video: 1960s: GATEWAY ARCH 2024, Kaum ib hlis
Anonim

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.

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