2 M. rOPOSBHCKIH. KT. BOHPOCy BJUflHIH 



Bo MiiornxT) Kypcaxii ana.iinTHqecKOH luexaHHKH, Bt rjiant o6i BJieMeHxaxTi oTHOCHxejib- 

 waro ABH?KeHifl, pascMaxpHBaeTca Bonpoct o ABHHteiiiH TflJKejion MarepiajibHOH to^kh, Spomee- 



HOH CO CKOpOCTBK) Vq HO KaCaxejIbHOH KT) TJiaAKOH nOBepXHOCTH 3eMJIH. OKaSblSaeTCfl, ITO TOIKa 



HaqHeaeTT> onncbieaTb na nosepxHocxH aeiuHoro raapa KpHByw, paAiycb KpHBHSHbi Koxopoi r 

 B-b rupH3OHxaJbHO0 iiJOCKocxH Bbipaacaexcfl 4>opMyjiOH: 



r= ''^ , (1) 



— . Sin ? 



n-fe T ecxb npoAOJiJKHiejbHOCxb SB-fesAHbixTj cyxoni, a cp — nepeMcfeHHaa reorpa4>HqecKaa idh- 

 poxa ABH?Kymt'Hca xorkh. 



ripHaxoMTb cKopocxb XOTO0 coxpaHflei'b nepBOHaqajbHyio Bejin^HHy Vq-, uenxpij KpHBHSHbi 

 BcerAa JiPHCHX'b bi cfcbepHOM'b nojiymapm BnpaBo, h Bt watHOMt — bji^bo oxx> HanpaBjieuia 



ABHJKeHifl. 



He xpyAHO BHA'feTb, qxo xpaeKxopia xo^kh Becbiwa Majio oxjiHqaexca oTh OKpyiKHOCxn, xaKi 

 KaKT) eAHHcxBeHnaa iiepeMtHHaa ©, BX0Aam,afl bi cocxaB^ BbipaaceHia paAiyca KpHBusHbi r, 

 M'feaaexca ex xeqeaieMij BpeiweHH oqeab MCAJieHHO — npn xtxT> cKopocxaxi, Kania HafijiiOAaioxca 

 Boo6iii,e y seiueoH noBepxaocxH, 



BBOAa oSoaeaqeaie: 



fSm<f = K (2) 



Mbi MoateMi> aanncaxb corjiacao ypaBHeaiK) (1): 



K = ^ (3). 



YpaBHeBie (3) noKasbiBaexi, qxo Bem^viua, K ecxb yrjiOBaa cKopocxb ABHJKymeSca xotoh 



H onpeA^Jiaexca qncjiOM'b paAianoBx (-^). na Koxopoe HawtHMOcb HaripaBJieHie ABBJKCHia bx 



eAUHHUy BpeMeHu. 3xa yrjiOBaa cKopocxb SyAexx meHbtue, ecjin ABHffienito xowh SyAexx npe- 

 iiaxcxHOBaxb xpenie OKpyH^aiomeH cpeAbi. Bejinqmiy ea bx 3xomi Cjiyqai MoatHO BbipasHXb xa- 

 KHMX o5pa30MT>: 



k = i^K, (4) 



TAt p. ecxb neoiiprAtJiennbiH K03<i><i>Hi],i3Hxt, yAOBJiexBopawmifi ycjOBiio: 



< [J^ < 1 (5). 



Hrofibi BbnHCJiiiTb yrjioBVK) cKopocxb k uai onbixHbix'b AaHHbixrb, c:itAyexT> H3M'fepHXb bi 

 rpaAycaxii yrojix «j, o6pa3yeMbiH naupaBjieHieM'b ABHatenia xaatejioH xo^kh cb KaKOH-HaSyAB 



