I70 THEORI^ MOTVVM 



petentismdireaionetB-'-^="#, quia u: vr. ds-Jx, 

 go quantitas motiis in vtroque corpore geniti r^Rdu, 



4. Cum potentia accelerans du^a in tempufcu- 

 lum— , producatmotusquantitatemBiw-4-*^^, habe. 

 bimus^-'^^^-^B^w-4-^^, atque adeo Br/>' — 



udr 



'iil^^^zziBudu-^Avdv f et fumtis integralibus BjK — 



dr 



rAdpdqdx_^x]^uu-^iAm (velpropter 'vzz'-^):=.iBuu 



dr 



^uv^Ldx_ . Atque hinc elicitur uuzz: 



, jlvdv 



2 

 2ds 



iH-- QuarefrfiatTV=: 



2 

 Bds -^^^ 



/ et graue libere cadat ex hac alti- 



dr 



2 2" 



Bds ^Adx 



tudine T V , in V acquiret tantam celeritatem , quan- 

 tam corpus B acquifivit in curua CB. 



Si curua CA fiat linea reda verticalis parallela ipfi 

 EB , fingulae dp, dq et dr fient =z^.r,et habebimus hoc 



cafuTV-i^^J^' 



2 2, 



Bds ^Adx 



Hoc vnum eft ex Theorematis illis quae V. Cel, 



loh. 



