SITER PLANO HORIZOKTJLl ASVERO 253 



§. 46. Sit igitur /' h V b >» c c V a , ac ponatur 



1 \' ' < ' 1 -1/7 (ncr I • , . p x 



: „, cnt V b z - hincque - P — 



, f^\; '" — ■ " fbbn 



(n— i)(cc-h>MK 



t \ -+->>'- 



M>a 



l„__,)'(cc-H6*) ~" (n-i) 2 icc-i-0n) /* fdl A._OV 



■ 



^iJUJl^"- Sicque punclum V innotdcit, quo- 

 vsque coipus motu fuo pcrtingit , antcquam reuertitur. 

 Pniecipui igitur caliis ita ie habcbunt , ex quibus reli- 

 quos concludere licet 



(?cc-i-kb)V a 



n—z; Vbzz:- 



n=zz; Vb — — tu 



,/ / ( + cc -+-'■'' V 1 



nzzz^; Vbzzz jsh 



-. Vb— { ' ,c *~*~ h 



>: 



v bt> 



( (■ cc-T-bb\^i 



thb 



nzzz6; Vb— 



»—7, V b— Jl h 



{ src-4-hb^,i 



tf=8i Vb- 

 nzzz 9 ; Vbzzz 1 



,bb 



O V_: rrc?^J]-o, 3 8629436 



m T ?hha _, 



O V_: F(ccI p^.o, 54930614 



OV— p^^JTT) 0,64139874- 



-..t Vbha 



OV_ F^+- 6h) .o, 70117974 

 OV_: f (cc ^j-o,74334-o75 



y-v » r P hha 



OV_: p^_- e ~o, 77477278 

 OV_: v{ccA-bby°'9 79916087 

 O V _: j-cT^^j. o, 81 8663 27 



0,r Thba . - 



V = Frcc-f-T^- O, 83463 172 



,/ / d cc-i-bb; V a 



nzzzio;Vbzzi — jgj, 



§. 47. Phaenomenon hoc, quo corpus fuper plano 

 horizontali propulfum ad ccrtam tantum diftantiam pio- 

 greditur indeque fubito quali rcilcxum rcucrtitur , expeii - 

 mentis quoquc demonltrari potclt, dum corpori rotundo 

 duplex motus progrefliuus ac rotatorius hac lcge impri- 

 mitur, vt motus rotatorius fit contrarius motui progreiliuo 

 ac celeritas rotatorii motus V b maior fit quam j^Vtf. Si 

 nimirum globus ad huiusmodi expcrimcnta adhibetur , 

 ipfiquc in O imprimatur tum motus progrefliuns in di- 

 re&ione OV celeritate zzzV a , fimul vero ipfi inducatur 

 motus rotatorius in plagam <5 0CP cclcritatc_:V/> , tum 



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