AERIS IN TVBIS. 383 



dcnfitatem^ — Qfi-SS. SQ^-;S. ACTM-'S. AC/w 



^4_^TN/;i + .:SS(TM + n;/)-^S(TN-n;) 

 i +:S(ACTM + aC/»;) 



quae expreflio conirahitiir in hnnc : 



9=iQ(i + ^SS(TM+;;y/-2SQ.)-'S(TN-/«)+ITN;;;). 



Dcinde erit celcritas 



tf-US(-S.TM + S.;///-ACTM + AC;w + TN+/«) 



fcu 



« — -JfSS(TM -//;/)- -U-S.TMn;/+^c;S(TN + r«). 



Denique \ero fpatium translationis S v reperitur : 



S-JziS^iS. ACSQ.-S.ACTM-S. AC/;;/ + TNnO 



fcu 



S-y^^SS^SQ/OT-SQTM^ + iS. TNrw. 



His ergo formulis vtpote ad calculum maxime ac- 

 commodatis in fequentibus vtar. 



Problema Sy: 



io7- Si tubus in A fuerit terminatus ibique 

 fiue apertus fiuc claufus , vtriusque fcake denfita- 

 tum et cclcritatnm prouti in Icholio praecedentc 

 (106) funt conliitutae , continuationem fuper axe 

 •vltra A produdo inuertigarc. 



S o I Li t i o. 



Sit diflantia lA— ff, ac primo confidercmusTab. VIII. 

 cafum , quo tubus in A eft apertns j ibi ergo den- rig. 9s- 



fitas 



