S o ! u t i o. 



Sit radius cylindri ~a et diftantia centrdrmri CC-2^, 

 eritque yy H~ zz~ a a; ponatur ergo 



y — a cof. (p et &— a fin. (f>, 

 tum vero, quia rriotum quemcunque- in fuperflcie cylindri fta- 

 tui-mus, abfcifia x tanquam certa fundtio anguli (p fpectari po- 

 terit, vnde iiat dx — UdCp^ inde autem colligentur diftantiae 

 corporis a centris virium 



v — ]/ {x -i- k/ -h a a et 3 = ]/0 — kf -\- a a; 

 deinde vero ob dy _ — ad(pfin.(p et d z ~ a d <p cof. $, 

 erit Dj-a0/(n|+flfl), ex quo porro fet .ffizf ^-^.^ 

 « zzi ° f '-' t " '- et r = - aco -$ 



* \\ull-t~aa) ViH il -t- o a)" 



His pofiiis celeritas corporis in 2 reperietur 



a a 



Deinde pro ipfis viiibus inueniendis quaerantur ante omnia 

 valores litterarum P, Q, R; reperieturque 

 P — ^£±R = ££ Jl ' 



pofito 3 17 = IT d (f> Porro erit Q _ — - cc a c f ^y ac denique 



R = _^£i^ YI ide \tique haberur ^ _ £ — p-% • 



His valoribus inuentis pro ipfis viribus quaeramus pri- 

 mo formulam: 



or-pjy __ _ c_£ L _j_ jj ; 



ac tum ob i- ~ — _ habebimus : 



y a+ 

 a a V v C r c ! * -4- 1T) C C / r x — TI \ 



v "" a* , ~a+ k a* v k 



i < v' . c _,_ c Z \ x - ~Q 



v' " a* 



■ C~ (x -TT) C C ( _, X-+-J1 \ 



vndc 



