1(56 OruscuLA. 
.fidu ^^.udu, pofita ^ = r: atqui // - ^ , & ma- 
jiente///, eft ^« = — - : eigoax, . 2i _ — . c ^;,- , 
feu ds\F.z> m^.C^ ddx: atqui ddx ~ ddz: ergo 
r 
Fiat multiplicatio per //^, & erit ds\dz.F.z — -j- 
.C'dzddz, & pofita / ^ 2i.F.2i =r.G.2i , integrando 
erit Z-+^~.GT^.^^' = -^^.^z-"- Faaa2i = ^,efl 
:^i-::C + f iCiV^^T^^GTT: C|/-^; ergo H- r . G . ^ 
_ c+7\f.^> five ^ —^L±Ailii ^r.G.e. luquehxc 
refultat 3:quatio ill^^llsi^^^^^ =: vel 
C y/ F .b 
Cdz . y/ F .h ^ ^ 
l/ CH-/ . F . ^»— z . G . e . z, 
Per hanc datur s per fed x — z — s — e ; ergo da- 
bitur X per z» Velocitas demum corporis B., nempe u =z 
LLl fiet u = — C — l/cH^'— 2 r^HlEL-I — C. 
ds ds F.b 
Numquam loquutus fum de tempore , quia quum cen- 
trum iter faciat iequabiliter velocitate =r C, erunt tempora 
ut fpatia perada a centro . Quare vocato quolibet fpatio 
— X, erit C : s '. : k ad tempus , quo motus fadus eft a cen- 
tro per fpatium rr s. Qux iiadenus expofui de motu cor- 
poris attradi aut repulfi a centro xquabiliter lato, video 
mukis perquifitionibus phyficis non mediocrem utilitatem 
aliatura . Sed in prxfentia fatis milii fit pienam tradidiile 
probiematis propofiti folutionem . 
VIN- 
