Borelli, Giovanni Alfonso, De motionibus naturalibus a gravitate pendentibus, 1670

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            <p type="main">
              <s id="s.002626">
                <pb pagenum="497" xlink:href="010/01/505.jpg"/>
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                <lb/>
              ſed poſt certum tempus, puta AG, à continuata fluidi
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              reſiſtentia ſenſim retardante tandem extinguatur,
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              ſubſequens verò gradus impetus acquiſitus eF
                <expan abbr="eadẽ">eadem</expan>
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              ratione extinguetur tempore BK æquali priori AG:
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              in hiſce verò æqualibus temporibus acquirit mobile
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              æquales gradus velocitatum, & ab his ſubtrahi de­
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              bent priores illi gradus velocitatum BC, & eF inter
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              ſe æquales iam extincti, vt dictum eſt, ergo reſidui
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              gradus velocitatum Gi, & mM æquales
                <expan abbr="erũt">erunt</expan>
              inter ſe:
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              & ſic ſemper contingit in ſubſequenti tempore;
                <expan abbr="quã-do">quan­
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                do</expan>
              verò perſeueratidem gradus impetus in mobile,
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              tunc motus eius æquabilis eſſe debet, ſcilicèt tem­
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              poribus æqualibus percurret ſpatia æqualia, igitur
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                <expan abbr="augmẽtum">augmentum</expan>
              impetus in mobile in progreſſu ſolius
                <expan abbr="tẽ-poris">ten­
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                poris</expan>
              AG augeri poteſt, licèt non vniformi
                <expan abbr="incremẽ-to">incremen­
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                to</expan>
              , & poſt tempus AG impetus non amplius creſcit,
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              & graue motu æquabili fertur, quod erat &c. </s>
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            <p type="margin">
              <s id="s.002627">
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              Cap. 11. gra­
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              uia in fluido
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              velocitati­
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              bus inæqua­
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              libus ferri
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              debere.</s>
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            <p type="main">
              <s id="s.002628">
                <emph type="center"/>
              PROP. CCXLV.
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              </s>
            </p>
            <p type="main">
              <s id="s.002629">
                <emph type="center"/>
                <emph type="italics"/>
              Si duo corpora æqualia, & inæqualitèr grauia per fluidum
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              deſcendant prius ad æquabilitatem reducetur leuius cor­
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              pus, quàm grauius.
                <emph.end type="italics"/>
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.002630">SInt duæ moles inter ſe æquales, & inæqualiter
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              graues, eiuſdemque figuræ, ſphæricæ nempè, A
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              grauior quam B, hæ verò ex ſui natura, ſcilicèt in va­
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              cuo vna, & eadem velocitate ferri debent, quæ ſit V;
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              ſed duo corpora A, & B inæquali energia medium̨
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              fluidum RSTX percutiunt, impelluntque ſecundùm
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              proportionem quam habet vis percuſſiua compoſita
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              ex vi impetus V, & ex maiori materia, ſeu maſſa cor-</s>
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          </chap>
        </body>
      </text>
    </archimedes>
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