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The Froude number is based on the speed–length ratio which he defined as: [2] [3] = where u is the local flow velocity (in m/s), g is the local gravity field (in m/s 2), and L is a characteristic length (in m). The Froude number has some analogy with the Mach number.
An experimental Wikipedia edition in the obsolete chữ Nôm script began in October 2006 at the Wikimedia Incubator. [6] It was deleted in April 2010. [7] [non-primary source needed] The Vietnam Wikimedians User Group supports the development of the Vietnamese Wikipedia and other Vietnamese-language Wikimedia projects.
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Frédéric Reech (9 September 1805 – 6 May 1884) was a French mathematician, naval engineer and professor who made contributions to thermodynamics and hydraulics. He was among the first to examine the effect of scaling of models of ships, noting the proportionality with the speed of a fluid and the inverse of the square root of its length as a law of comparison in a little-known work in 1831 ...
President Ngo Dinh Diem and family at his home in Hue (Central Viet Nam).jpg; President Ngo Dinh Diem on an inspection tour 350 km from Saigon (December, 1956).jpg; Portrait of Ngô Đình Diệm, from the book Ngo Dinh Diem of Viet-Nam.jpg; President Ngo Dinh Diem with the troops who defeated the Binh-Xuyen at Rung-Sat (May, 1955).jpg
Vua tiếng Việt (lit. ' King of Vietnamese ' ) is a Vietnamese television quiz show featuring Vietnamese vocabulary and language, produced by Vietnam Television . [ 1 ] [ 2 ] The programme is aired on 8:30 pm every Friday on VTV3, starting from 10 September 2021, with the main host Nguyễn Xuân Bắc.
National Route 1 (Vietnamese: Quốc lộ 1 (or abbrv.QL.1) or Đường 1), also known as National Route 1A, is the trans-Vietnam highway.The route begins at km 0 at Hữu Nghị Quan Border Gate near the China-Vietnam border, [1] runs the length of the country connecting major cities including Hanoi, Da Nang and Ho Chi Minh City, and ends at km 2301.34 [citation needed] at Năm Căn township ...
In elections held in South Vietnam in September 1967, former generals Nguyễn Văn Thiệu and Nguyen Cao Ky were elected president and vice president, respectively. A number of popular candidates, including Buddhists and peace candidates, were barred from running, and newspapers were largely suppressed during the campaign.