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Radius of a spherical earth

Webwhere h is height above sea level and R is the Earth radius . The expression can be simplified as: where the constant equals k = 3.57 km/m½ = 1.22 mi/ft½ . In this equation, Earth's surface is assumed to be perfectly … WebAug 24, 2024 · Diameter of a sphere: d = 2\times r d = 2× r; Surface area of a sphere: A = 4 \times π \times r^2 A = 4×π ×r2; Volume of a sphere: V = 4/3 …

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WebDec 27, 2024 · The idea of a spherical Earth was floated around by Pythagoras around 500 BC and validated by Aristotle a couple centuries later. If the Earth really was a sphere, Eratosthenes could use his ... Webस How are the radius of curvature and focal length of a spherical mirror related? m (b) What is its power in diopters? ϰ How is the power of a mirror related to the focal length? D In 2013 the comet PanSTARRS was seen moving across our sky at approximately 0.7 degrees per day, when it was 1.3 × 1 0 8 km away from Earth. How fast was it ... port stacey https://myaboriginal.com

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WebThis attractive force is the gravitational force between Earth and the satellite. Gravity provides the inward pull that keeps the satellite in orbit. Assuming a circular orbit, the gravitational force must equal the centripetal force. 2 E 2 r Gmm r mv = where v = tangential velocity r = orbit radius = RE + h (i.e. not the altitude of the orbit ... WebAug 30, 2014 · What is the real radius of earth? Google says 6378.1 km Wiki says 6371 km And there are references for 6378.7 km I'm using maximum radius 6378.7 km in distance calculation in spherical law of cosines formula. What would be the impact of using maximum radius rather than average radius which is 6371 km. When does using one over … WebPlanet: a spherical object that orbits a star; dominates its orbit; reflects light; rock, ice, gas 8 in our solar System: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune Earth radius: 6370 km, age: 4 billion years, spins at 1670 km/hr Jupiter radius: 71 000 km Moon: a natural satellite of a planet Moon radius: 1700 km (5th largest ... port st. lucie fl schools

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Radius of a spherical earth

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Webthe Earth M a e is the semima jor axis of the Earths reference ellipsoid r are ... along the radius v ector to the satellite u is in the direction of increasing north latitude and u ... from … WebA circle of a sphere is a circle that lies on a sphere. Such a circle can be formed as the intersection of a sphere and a plane, or of two spheres. Circles of a sphere are the spherical geometry analogs of generalised circles in Euclidean space. A circle on a sphere whose plane passes through the center of the sphere is called a great circle ...

Radius of a spherical earth

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WebThe traveler accelerates toward the center of the Earth and is momentarily weightless when passing through the geometric center at about 7900 m/s or almost 17,700 miles/hr. The traveler would pop up on the opposite side of the Earth after a little more than 42 minutes. But unless he or she grabs something to hold on, they will fall back for a ... http://hyperphysics.phy-astr.gsu.edu/hbase/Mechanics/earthole.html

Webthe Earth M a e is the semima jor axis of the Earths reference ellipsoid r are ... along the radius v ector to the satellite u is in the direction of increasing north latitude and u ... from the spherical co ordinates to the desired co ordinate system So as a rst step the comp onen WebThe shape of the Earth closely resembles a flattened sphere (a spheroid) with equatorial radius of 6378.137 km; distance from the center of the spheroid to each pole is …

WebQuestion: Considering Earth to be a spherical conductor of radius 6400 km, calculate the capacitance of Earth. Hint Capacitance of Earth is F. Show transcribed image text Expert … WebIf he used the Egyptian one, his error would have been less than 2 percent off the actual Earth’s circumference of 24,860 miles (40,008 kilometers). A century after Eratosthenes, …

WebJun 8, 2024 · Aristotle not only taught that Earth was spherical but also mentioned early estimates of Earth’s circumference. Mathematicians of his time had estimated Earth’s circumference to be “400,000 stadia”, or 62,880-66,680km (39,000-41,500 miles), depending on how stadia are converted to modern metric units. This value is about 20,000-25,000km ...

WebAssuming no atmospheric refraction and a spherical Earth with radius R=6,371 kilometres (3,959 mi): For an observer standing on the ground with h = 1.70 metres (5 ft 7 in), the horizon is at a distance of 4.7 kilometres … port stain wineWebJan 11, 2024 · The earth, as we said, is an oblate spheroid, so geodesists (scientists who measure the earth and its position in space) have measured and calculated the average of earth's circumference as 40,075 km or 24,901 mi. Eratosthenes, some 2,200 years ago, was off by only 125 km or 101 mi. iron thorns pokemon weaknesshttp://wiki.gis.com/wiki/index.php/Spherical_Earth iron thorns spawn locationWebAug 30, 2014 · What is the real radius of earth? Google says 6378.1 km; Wiki says 6371 km; And there are references for 6378.7 km; I'm using maximum radius 6378.7 km in distance … iron thorns pokemon violetWebThe first term on the right-hand side of the equation accounts for the mean elevation and the second term for the inclination. A further reduction of the above Earth normal section length to the ellipsoidal geodesic length is often negligible. See also. Arc measurement; Earth radius; Spherical Earth; Great-circle distance; Great-circle navigation iron thorns shiny pokemonUsing the Gauss-Bonnet theorem, this gives. ∫KdAA=4πA=1R22.{\displaystyle {\frac {\int K\,dA}{A}}={\frac {4\pi }{A}}={\frac {1}{R_{2}^{2}}}.} Volumetric radius[edit] Another spherical model is defined by the Earth's volumetric radius, which is the radius of a sphere of volume equal to the ellipsoid. See more Earth radius (denoted as R🜨 or $${\displaystyle R_{E}}$$) is the distance from the center of Earth to a point on or near its surface. Approximating the figure of Earth by an Earth spheroid, the radius ranges from a … See more Geocentric radius The geocentric radius is the distance from the Earth's center to a point on the spheroid surface at geodetic latitude φ: See more The mathematical expressions above apply over the surface of the ellipsoid. The cases below considers Earth's topography, above or below a reference ellipsoid. As such, they are topographical geocentric distances, Rt, which depends not only on latitude. See more Earth's rotation, internal density variations, and external tidal forces cause its shape to deviate systematically from a perfect sphere. Local See more The following radii are derived from the World Geodetic System 1984 (WGS-84) reference ellipsoid. It is an idealized surface, and the Earth measurements used to calculate it … See more The Earth can be modeled as a sphere in many ways. This section describes the common ways. The various radii derived here use the … See more Earth's diameter is simply twice Earth's radius; for example, equatorial diameter (2a) and polar diameter (2b). For the WGS84 ellipsoid, that's respectively: • 2a … See more iron thorns statsWeb63 rows · an object of diameter 725.27 km at a distance of 1 astronomical unit (AU) an object of diameter 45 866 916 km at 1 light-year an object of diameter 1 AU (149 597 871 … port staff