- areal velocity
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a measure of the velocity of one celestial body in orbit about another, equal to the area swept out per unit time by the vector joining the two bodies.[1960-65]
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Universalium. 2010.
areal velocity
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Areal velocity — is the rate at which area is swept out by a particle as it moves along a curve. In many applications, the curve lies in a plane, but in others, it is a space curve.The adjoining figure shows a continuously differentiable curve in blue. At time t … Wikipedia
areal velocity — sektorinis greitis statusas T sritis Standartizacija ir metrologija apibrėžtis Dydis, išreiškiantis ploto, kurį pažymi judančio taško spindulys vektorius, kitimo spartą. Matavimo vienetas – kvadratinis metras per sekundę (m²/s). atitikmenys: angl … Penkiakalbis aiškinamasis metrologijos terminų žodynas
areal velocity — sektorinis greitis statusas T sritis fizika atitikmenys: angl. areal velocity; sector velocity vok. Flächengeschwindigkeit, f rus. секториальная скорость, f; секторная скорость, f pranc. vitesse aréolaire, f; vitesse des secteurs, f … Fizikos terminų žodynas
areal velocity — Astron. a measure of the velocity of one celestial body in orbit about another, equal to the area swept out per unit time by the vector joining the two bodies. [1960 65] … Useful english dictionary
Angular velocity — Do not confuse with angular frequency The unit for angular velocity is rad/s.In physics, the angular velocity is a vector quantity (more precisely, a pseudovector) which specifies the angular speed, and axis about which an object is rotating. The … Wikipedia
sector velocity — sektorinis greitis statusas T sritis Standartizacija ir metrologija apibrėžtis Dydis, išreiškiantis ploto, kurį pažymi judančio taško spindulys vektorius, kitimo spartą. Matavimo vienetas – kvadratinis metras per sekundę (m²/s). atitikmenys: angl … Penkiakalbis aiškinamasis metrologijos terminų žodynas
sector velocity — sektorinis greitis statusas T sritis fizika atitikmenys: angl. areal velocity; sector velocity vok. Flächengeschwindigkeit, f rus. секториальная скорость, f; секторная скорость, f pranc. vitesse aréolaire, f; vitesse des secteurs, f … Fizikos terminų žodynas
Classical central-force problem — In classical mechanics, the central force problem is to determine the motion of a particle under the influence of a single central force. A central force is a force that points from the particle directly towards (or directly away from) a fixed… … Wikipedia
Newton's theorem of revolving orbits — Figure 1: An attractive force F(r) causes the blue planet to move on the cyan circle. The green planet moves three times faster and thus requires a stronger centripetal force, which is supplied by adding an attractive inverse cube force. The … Wikipedia
Darboux vector — In differential geometry, especially the theory of space curves, the Darboux vector is the areal velocity vector of the Frenet frame of a space curve. It is named after Gaston Darboux who discovered it. It is also called angular momentum vector,… … Wikipedia
