Bošković, Ruđer Josip
,
Theoria philosophiae naturalis redacta ad unicam legem virium in natura existentium
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THEORIÆ
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ventum ſuerit, quæ deinde incipiet minui, & </
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<
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ricam figuram accedet iterum, ac iterum comprimetur motu
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quodam oſcillatorio, ac partium trepidatione hinc, & </
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de a figura ſphærica, uti ſupra vidimus etiam duo puncta cir-
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ca diſtantiam limitis cohæſionis oſcillare hinc, & </
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<
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ad colliſionem, & </
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<
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">motus centrorum gravitatis nihil pertinebit,
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quorum ſtatus a viribus mutuis nihil turbatur; </
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<
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unius globi in alterum ſtatim ceſſabit poſt regreſſum ad figu-
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ram ſphærcam, poſt quem ſuperficies alterius poſtica, & </
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rius antica in centra jam retractæ, ulteriore centrorum diſceſ-
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ſu a ſe invicem incipient ita diſtare, ut vires in ſe invicem
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non exerant, quarum effectus ſentiri poſſit; </
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fecte elaſticorum eſt, ut tantus ſit mutuæ actionis effectus in
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recuperanda, quantus fuit in amittenda figura.</
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<
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">271 Duplicato igitur effectu, globus Q amittet celeritatem
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perfecte elaſti-
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is.</
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{2Cq - 2 cq,/Q + q}, & </
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<
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Quare illius celeritas poſt colliſionem erit C - {2 CQ - 2 cQ/Q + q}
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ſive {Cq - Cq + 2 cq/Q + q}; </
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<
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{cQ - cQ + 2 Cq/Q + q}, & </
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<
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">motus fient in eandem plagam, vel glo-
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bus alter quieſcet, vel fient in plagas oppoſitas; </
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minatis valoribus Q, q, C, c, formulæ valor evaſerit poſiti-
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vus, nullus, vel negativus.</
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<
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imperfecte ela-
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cis-</
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da ad vim in recuperanda figura fuerit in aliqua ratione data,
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erit & </
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<
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tione data, nimirum in ratione ſubduplicata prioris. </
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ubi per idem ſpatium agunt vires, & </
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<
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">velocitas oritur, vel
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extinguitur tota, ut hic reſpectiva velocitas extinguitur in
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compreſſione, oritur in reſtitutione figuræ, quadrata veloci-
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tatum ſunt ut areæ, quas deſcribunt ordinatæ viribus pro-
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portionales juxta num. </
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<
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rium, ſi, viribus conſtantibus, ſint conſtantes & </
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<
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">ordinatæ, cum
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inde fiat, ut ſcalæ celeritatum ab iis deſcriptæ ſint rectangu-
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la. </
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<
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">Sit igitur rationis conſtantis illarum virium ratio ſubdu-
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plicata m ad n, & </
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<
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mam effectuum in tota colliſione, ut m ad m + n, quæ ratio
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ſi ponatur eſſe I
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ad r, ut ſit r = {m +n,/m} ſatis erit, effectus il-
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los inventos pro globis mollibus, ſive celeritatem ab altero a-
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miſſam, ab altero acquiſitam, non duplicare, ut in perfecte e-
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laſticis, ſed multiplicare per r, ut habeantur velocitates acqui-
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ſitæ in partes contrarias, & </
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