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Parabolicheskaya skorost'
- skorost' otnosit. dvizheniya dvuh tel, vzaimno prityagivayushihsya po zakonu vsemirnogo tyagoteniya, pri k-roi dvizhenie proishodit po parabolich. orbite (sm. Elementy orbity). P.s. vp - naimen'shaya otnosit, skorost' dvuh prityagivayushihsya tel, kogda v processe dal'neishego dvizheniya oni mogut udalit'sya drug ot druga na beskonechnoe rasstoyanie;
,
gde 
- proizvedenie gravitacionnoi postoyannoi na summu mass prityagivayushihsya
tel, r - rasstoyanie mezhdu ih centrami mass. P. s. naz. takzhe skorost'yu otryva
ot prityagivayushego centra ili skorost'yu uskol'zaniya (t.k. vp
- minim. skorost', obladaya k-roi chastica veshestva mozhet uiti iz zony prityazheniya planety).
Primenitel'no k iskusstv. sputnikam P. s. naz. vtoroi kosmicheskoi skorost'yu.
(S.N. Vashkov'yak)
S. N. Vashkov'yak, "Fizika Kosmosa", 1986
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Publikacii s klyuchevymi slovami:
parabolicheskaya skorost' - vtoraya kosmicheskaya skorost'
Publikacii so slovami: parabolicheskaya skorost' - vtoraya kosmicheskaya skorost' |
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