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spheroid

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spheroid
spheroid, n. and a. (ˈsfɪərɔɪd) Also 7–9 sphæroid, 8 spheroide. [ad. L. sphæroīdēs, ad. Gr. σϕαιροειδής, f. σϕαῖρα ball: see -oid. So F. sphéröde (1556), It. sferoide, Sp. and Pg. esferoide.] A. n. A body approaching in shape to a sphere, esp. one formed by the revolution of an ellipse about one of ... Oxford English Dictionary
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Spheroid
A spheroid has circular symmetry. If the ellipse is rotated about its major axis, the result is a prolate spheroid, elongated like a rugby ball. There are two possible cases: : oblate spheroid : prolate spheroid The case of reduces to a sphere. wikipedia.org
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扁橢球體oblate spheroid in English - Glosbe Dictionary
扁吻光尾鲨 扁形动物 扁形动物门 扁形動物 Translation of "扁橢球體oblate spheroid" into English . oblate spheroid ...
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spheroid
spheroid/ˈsfɪərɔɪd; `sfɪrɔɪd/ nsolid object that is almost, but not perfectly, spherical 扁球体; 椭形球. 牛津英汉双解词典
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Shape of the Earth: The Oblate Spheroid - Earth How
Sep 23, 2023Its shape is an oblate spheroid. This just means that it flattens at the poles and widens out at the equator.". Earth bulges at the equator because of the centrifugal force during rotation. Like spinning a pizza, the mass pushes outwards and flattens out along the axis of rotation. This phenomenon occurs because the rotational speed at the ...
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Spheroid (lithic)
In archaeology, a spheroid is a piece of rock that has been shaped into a spherical shape. wikipedia.org
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How the NFL Football Got Its Shape | Live Science
Technically shaped, at least roughly, as a prolate spheroid, the football's nickname of pigskin explains a lot of its history. In the early days, before Charles Goodyear made better use of rubber ...
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Maclaurin spheroid
A Maclaurin spheroid is an oblate spheroid which arises when a self-gravitating fluid body of uniform density rotates with a constant angular velocity. The angular momentum is where is the mass of the spheroid and is the mean radius, the radius of a sphere of the same volume as the spheroid. wikipedia.org
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Geodesics on spheroid Describe the geodesics A **Spheroid** obtained by rotating the ellipse $\frac{x^2}{p^2}+\frac{z^2}{q^2}=1$ around the z-axis where $p, q\gt 0$ !enter image description here Please explain th...
First of all you need to know what is the connection you want to compute the geodesics of. If you want a metric connection you must know the metric at play, which in most cases will be the one induced by embedding in $R^3$. Once you know that you can solve the geodesics equation with respect to appr...
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Spheroid Hill
Spheroid Hill () is a mostly ice-free summit (1,230 m) 1 nautical mile (1.9 km) east of Ellipsoid Hill, on the north side of Blue Glacier in Victoria Land Named from spheroid (sometimes referred to as an ellipsoid), a mathematical figure formed by revolving an ellipse about its minor axis. wikipedia.org
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sphæroid
sphæroid, -al variants of spheroid, -al1. Oxford English Dictionary
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Lentoid
Gallery See also Disc Oblate spheroid Spheroid Lists of shapes References Jewellery Minoan art wikipedia.org
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Volume of a spheroid using calculus MIT's online Calc course includes this problem, where we're asked use integration along with a bound region in 2d space to find the volume of a spheroid. I understand the solution ...
The original question asks for rotation about the $y$-axis. You are rotating about the $x$-axis. That yields a different solid, with a different volume. The calculation you made for **your** solid is correct.
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Jacobi ellipsoid
Here is the vorticity, which is uniform throughout the spheroid (). of See also Maclaurin spheroid Riemann ellipsoid Roche ellipsoid Dirichlet's ellipsoidal problem Spheroid Ellipsoid References Quadrics Astrophysics wikipedia.org
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Oblate spheroid equation help In the section < Could someone tell me what $e$ and $f$ are in this first formula? $$ \beta(\phi) = \tan^{-1}\left(\sqrt{1-e^2}\tan\phi\right) =\tan^{-1}\left((1-f)\tan\phi\right) $$ ...
$e$ is the eccentricity) of the polar cross-section. $f$ is its oblateness, or (first) flattening. And yes, $\tan^{-1}$ is the same as arctan.
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