PROPRIETATE CAFDENTIFM. 373 



His pofitis erit dvz=:(^(ix~Vdy-Kds. Tempus ve- 



to, quo corpus arcum [A M abibluit, crit — ^vi^^ 



J^5£^W^ quod dcbet cfle miuimum. Qii:ie formuLi 



cum liiperiore /Q^^/.v comparata dat Qn^^^^^-;cx qui 



erit ./Q.=w'iV-^'^' '' ^°"^ '^^ ^^^^"'"^ ^"^^ 



n- ■ ,/^ Rdsj^i-+-pp) , Vdy^/i^-i-pp) gci .x- V ( ■ -4- P f>) . 



Ititutc) crit rtQ — — T^vi; r- \vvv ' Iv-^/v 



, pdp . T^if :^:t,,r X —Mhd-PP) M— PV(-H-p f') 



H-Vv(,^ppT' ^ll^ 1§'^^"^ ^— 21'VX' 7 ^'^^— 21.VU » 



N = =^vV^ ^tq"^ V - ,-^^%^,. Cum au- 

 tem fit per regulam datam hdxdy-^M.dxds—dW 

 ds feu 'LpdX'^U.dx^^{i-\-pp) — dW-V{i-^pp) erit 

 fubftitutis valoribus inuentis et per V(i-4-/)/>) diuifione 



R/)^.v-|-P^-vV(i^/>/)) _^ ^ 4^ 



^'^^^ zrjVco ~~ Vi; (x +/)/))— (iH-/)/))|^^<y 



pdv dp Q pdx-{-Vp'd x-\-K pdxV( i -f-p/^) 



^ i-v Vv ( I -i-/;p) — ( I -f-/)p)i V 'y "" 21; y -y ( I -{-pp) 



fubftitiitis loco dv et in eius expreffione loco dj et ds 

 valoribus affiimtis. 



§. i8. Si nunc haec aequatio rcducatur prodibit 



Vdx-\-Q^pdx dp 



fequens -r,-, —-— — - —-—rTr't iii qna erra ae- 



* 2-r K(iH-/)/)) ii-hpp)l ' 



qliatione non amplius ineft refidentia R. Ad indolem 

 igitur huius aequationis inueftigandam duco curuae ra- 



dium ofculi MO quem pono z^ exprimet —■ vim cen- 

 trifugam , qua corpus curuam iuxta normalem M S pre- 



xnit. Erit autem ob dx conftans afliimtum z — ^ f/J^ — 



Y 3 = 



