88 M. ropojUEHCKifi. K-b Bonpocy o BimHrn 



HxaKi, npu ri = ebipaoKeuie ir] uMn>emz KOueHHuu npednM, nepaemiu Hyjiw: 



0<|eyi}o<oo (119). 



II. yj = oo. 

 Bt) 9T0MI cjiyqa-fe, noMHoatafl ypaBHenie (105) Ha s h nepexoAfl ktj npeA^^JiaMT), nojiy- 



Sma^(J{£yi|^-CosaJ = (120). 



IlepBoe pimeHie 3Toro ypaBHeHia 



Siua^ = (121). 



noKasbiBaeTt, qio npu 6e3npedrhMH0Mz yeeMmeniu mpemn, uanpaeAenie CKopocmu ewmpa 

 cmpeMumcH coenacmb cz uanpaeAeuieMz zpadieuma. 

 Bropoe ptmenie 



Cosa^ = (122). 



SBJifleTca npn ycjiOBiH 



H^ = (123). 



9to p-femeHie, KaKi mbi yace BVijiim, Hwisjio M'fecTO TaKHje iipn 



v) = 0. 



Ho npeA'iJiTj npoH3BOji,HOH 



(-] 

 \dn/-o = 



Mti HaiDJiH HepaBHbiMi EjMo ^). Ci'^AOBaTejiLHO, «i>yHKn,ifl a (yj) npn HSM'feHeHiH HesaBHCHMon 

 nepeM'feHHOH v) ott. HyjiH, HenpeMtHeo AOJiJKHa HSM'feHflTBCfl OTt Ha^ajibHaro SHaieHin; ecjiH-Hce, 

 npH SeanpeAt^bHOMT) BoapacTaHin yj, oea CHOBa cxpeMHTCfl wb HaqaJibHOMy SHaieHiio, coxpaHaa 

 HenpepbiBHOCTb, to OHa HaB^pHoe HcnbixbiBaeT'L «maximum» mh «minimiim» npH HtKOxopoMT. 

 KOHeiHOM'b seaqeBin v], ee paBHOMi ujjik). ^pyrnMH cjiOBamn npoHSBOAHaa 



AOJisKHa o6paxHXbca bt. Hyjib npn bxom'l seaiemH v). 



Ho ypaBHeHiio (105) nojiyqaewct xaKoe Bbipa»eHie npoHSBOAHOfi: 



da Sin 2 a 



-^r- Cos a -H e* J" 



at] 



e —I 



(124). 



1) Cm. ypaBHeHie (109). 



