<lb/>
<arrow.to.target n="note282"/>dem velocitatem acquirit in utroque ca&longs;u, ut <emph type="italics"/>Galilæus<emph.end type="italics"/>demon<lb/>
&longs;travit. <lb/>
</s>

 <s><margin.target id="note282"/>DE MOTU <lb/>
CORPORUM.</s>

 <s><emph type="italics"/>Cas.<emph.end type="italics"/>3. Eadem e&longs;t aquæ velocitas effluentis per foramen in la<lb/>
tere va&longs;is. </s> <s>Nam &longs;i foramen parvum &longs;it, ut intervallum inter &longs;uper<lb/>
ficies <emph type="italics"/>AB<emph.end type="italics"/>& <emph type="italics"/>KL<emph.end type="italics"/>quoad &longs;en&longs;um evane&longs;cat, & vena aquæ hori<lb/>
zontaliter exilientis figuram Parabolicam efformet: ex latere recto <lb/>
hujus Parabolæ colligetur, quod velocitas aquæ effluentis ea &longs;it <lb/>
quam corpus ab aquæ in va&longs;e &longs;tagnantis altitudine <emph type="italics"/>HG<emph.end type="italics"/>vel <emph type="italics"/>IG<emph.end type="italics"/>ca<lb/>
dendo acquirere potui&longs;&longs;et. </s> <s>Facto utique experimento inveni quod, <lb/>
&longs;i altitudo aquæ &longs;tagnantis &longs;upra foramen e&longs;&longs;et viginti digitorum <lb/>
& altitudo foraminis &longs;upra planum horizonti parallelum e&longs;&longs;et quo<lb/>
que viginti digitorum, vena aquæ pro&longs;ilientis incideret in planum <lb/>
illud ad di&longs;tantiam digitorum 37 circiter à perpendiculo quod in <lb/>
planum illud à foramine demittebatur captam. </s> <s>Nam &longs;ine re&longs;i&longs;ten<lb/>
tia vena incidere debui&longs;&longs;et in planum illud ad di&longs;tantiam digitorum <lb/>
40, exi&longs;tente venæ Parabolicæ latere recto digitorum 80. <lb/>
</s>

 <s><emph type="italics"/>Cas.<emph.end type="italics"/>4. Quinetiam aqua effluens, &longs;i &longs;ur&longs;um feratur, eadem egre<lb/>
ditur cum velocitate. </s> <s>A&longs;cendit enim aquæ exilientis vena parva <lb/>
motu perpendiculari ad aquæ in va&longs;e &longs;tagnantis altitudinem <emph type="italics"/>GH<emph.end type="italics"/><lb/>
vel <emph type="italics"/>GI,<emph.end type="italics"/>ni&longs;i quatenus a&longs;cen&longs;us ejus ab aeris re&longs;i&longs;tentia aliquantu<lb/>
lum impediatur; ac proinde ea effluit cum velocitate quam ab al<lb/>
titudine illa cadendo acquirere potui&longs;&longs;et. <lb/>
<figure id="id.039.01.334.1.jpg" xlink:href="newto_philo_039_la_1713/039-01-figures/039.01.334.1.jpg"/><lb/>
Aquæ &longs;tagnantis particula unaquæque <lb/>
undique premitur æqualiter, per Prop. <lb/>
XIX. Lib. II, & pre&longs;&longs;ioni cedendo æquali <lb/>
impetu in omnes partes fertur, &longs;ive de<lb/>
&longs;cendat per foramen in fundo va&longs;is, &longs;ive <lb/>
horizontaliter effluat per foramen in ejus <lb/>
latere, &longs;ive egrediatur in canalem & inde <lb/>
a&longs;cendat per foramen parvum in &longs;uperiore <lb/>
canalis parte factum. </s> <s>Et velocitatem qua <lb/>
aqua effluit, eam e&longs;&longs;e quam in hac Pro<lb/>
po&longs;itione a&longs;&longs;ignavimus, non &longs;olum rati<lb/>
one colligitus, &longs;ed etiam per experimenta <lb/>
noti&longs;&longs;ima jam de&longs;cripta manife&longs;tum e&longs;t. <lb/>
</s>

 <s><emph type="italics"/>Cas.<emph.end type="italics"/>5. Eadem e&longs;t aquæ effluentis velocitas &longs;ive figura foraminis <lb/>
&longs;it circularis &longs;ive quadrata vel triangularis aut alia quæcunque cir<lb/>
culari æqualis. </s> <s>Nam velocitas aquæ effluentis non pendet à figura <lb/>
foraminis &longs;ed ab ejus altitudine infra planum <emph type="italics"/>KL.<emph.end type="italics"/><lb/>
</s>

 <s><emph type="italics"/>Cas.<emph.end type="italics"/>6. Si va&longs;is <emph type="italics"/>ABDC<emph.end type="italics"/>pars inferior in aquam &longs;tagnantem im-