Gravesande, Willem Jacob 's
,
Physices elementa mathematica, experimentis confirmata sive introductio ad philosophiam Newtonianam; Tom. 1
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MATHEMATICA. LIB. II. CAP. XI.
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Velocitates # Reſiſtentiæ globi H. # Reſiſtentiæ globi G in exp. I.
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1 # {3/4} + # {3/4} - 2 # 2 {3/4} # 1 {1/2} - 3 # 6 -- # 3 -- 4 # 9 {3/4} + # 4 {3/4} 5 # 15 {1/4} # 7 {3/4} 6 # 21 # 10 {1/2} 7 # 28 # </
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<
s
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xml:space
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">Reſiſtentiæ in minori velocitate ſolæ ſunt quæ cum propo-
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ſitione non congruunt; </
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vidimus illam corrigendam eſſe, quæ in illo experimento
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fuit detecta; </
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<
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xml:space
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">reſiſtentia verò ibi in regulari ſerie poſita,
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dimidium eſt illius, quæ, in eadem velocitate, in hoc ulti-
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mo experimento, fuit determinata.</
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</
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<
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<
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">Reſiſtentia ex prima cauſa non mutatur pro diverſa cor-
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poris figura, ſi modo cavitas formata in motu eadem ſit ;</
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quare in cono & </
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<
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ut & </
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<
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">in globo, ſi horum corporum diametri fuerint æqua-
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les, & </
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<
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ſiſtentia eadem eſt.</
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<
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corporis figura; </
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">nam licet ſluidum quieſcens quaqua ver ſum æ-
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quali vi premat, hoc ad preſſionem ex motu oriundam non
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debere referri facile patet, quæ juxta unicam tantum dire-
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ctionem agit, & </
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ctionem perpendiculari.</
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<
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ſe babere ad coni reſiſtentiam, ſi ambo fuerint recti, & </
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dem velocitate, juxta axium directiones, in eodem fluido, mo-
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ti, ut linea in coni ſuperficie, à vertice ad punctum quod-
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cunque baſeos ducta, ad ſemidiametrum baſeos.</
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<
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tria ad duo, ſi diametri fuerint æquales, & </
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