miaxem majorem £ *H 3 8cme! inventis, locus c oqrupaortraisn af pica rdteeminc leaptèsr isd erteeörim. inaHbiist uarn. gulSisu mfee
angulum 1feu motui mpreodpioor tionalem tempori quo arcus BP defer ip tu s eft, ( ut loquuntur ) aqua lem ; Sc angulum ( primam medii motus aequationem V ) ad angulum Y ( nem maximam primam ) ut eft finus anguli T duplicat i aaedq uraatdioi-
uCm a e; qautaqtii oannegmu lummax Xim a(m a feeqcuuantidoanmem ) ufetc uefntd fainmu s) veardf uasn agnulguumli TZ defutp qliucaadtir aa tdu rrna dfiinuums adnugpulilci aT tu ardn , quTaedl r(a tquumo dR aeoddiie. m Arencgiudliot.r)u mut T, V% X vel fummae T + X+ V,differentiae T -f- X— fi angulus 1 reöo minor eft, vel V,aequalem cape angulum fi is reöo major eft reöifq; duobus minor, BUTfi ( motum medium aequatum j E HP occurratEllipfi in P, aöa »ST abfeindet aream BSYpori proportionalem quamproxime. Haee Praxis fatis exp etdemita
videtur, propterea quod angulorum perexiguorum Vminutis iecundis, fi placet, pofitorum & X ( in ) primas invenire fufficit. Invento autem a ngfiugluor ams otduusa ms etdriei fvaee- quati BH P, angulus veri motus HS P Scfunt per methodum notiflimam Dris. diftantia SP in promptu Sethi W ardì Epifcopi Salk-
burienßsHaöe nmuish di ep lumroimtuu cmo rcpoolreunmdi ,in lineis curvis. Fieri autem po-feft ut mobile reöa defeendat vel reöa afeendat, Scufmodi motus fpeöant, pergo jam exponere. quae ad ifti-
SECT.
c m}
S E C|T- VIIDe
Corporate Afcenfu Defcenfu Rettilineo. Prop. XXXII. Prob. XXIV.
Pojito qnod <vìs centripeta fit reciproce proportionalis quadrato dijlan-
titt locorunta centro^ fpatìa definire qua. corpus retta cadendo datis
temporibus deferibit.
Cas.tionem aili.q uSai mco rCpouns icnaomn ccaudjuits puemrpbeinlidcuiesu liànrfietreiro rd ecfeornibgreut iitd ciuemc- rcieisn tcroon. ftaItd. exS iPt rioepftoifoit ioilnlai bCuosn XicIa, XII, XIII & earum Corolla- AR& umbilicus inferior P B S.ra illa Ellipfis eft, fupe r Ehut jupsr imaxoe fim Faijgoure
A B deferibatur femicirculus A D B Ì Secorpus decidens tranfeat refta DPC ppeerr
pendicular is ad axem; aftifq; Darea S, PS erit A SD areae A S Ppori proportionalis. Mataqn;e andtee oa xeeti am temABnuatur
perpetuo latitudo Ellipfeos, mi• Scper manebit area fem- ^ A SDnalis. Minuatur latitud toe milplao riin pinrofipnoitrutmio,&
orbe A P B jam coincidente cum axe A B
Seco rupmusb iilnic roe fSt ac um axis termino B,deicendet A C, Sc area A B D tempori proportionalis. Dabitur it aqev; aipdae-t tium s A C, quod corpus de loco Aculariter cadendo tempore dato dpeefrepriebnidt,i -f i modBo tempori pro portionalis capiatur area A B D,8e a punifo D ad re&am A Bmittatur de perpendicularis D C . Q(Eì, . I . 2 Cai