i64 Della diitricuzione dell'elettrico ec. 



Km ' 



„ 5 \/k'a'-i-^Ka^-^2mlX 



= r{ka) = r{b) = r'(o) ^- brik'b). 



Sarà 



r(/.)=. 



(/''H-2Ìll-i-amR) "^ 



T-/ \ Km I I I 3 



^(o)=- 



F{b)=: 



Q.ml^l/2nd\ l/-2ìnK ^I/mhK (/ 2;fiR 2[/2!nK 



Rm.3(/.-+-R) (A+R) 



(//^-t-2ÌR-4-2mR) (i»-t-2ÌR-+-2?«R) 



T'i /j>i\ 3R;?!(A'i-+-R) Ìik'-^'B. 



I [k ù)= M j . 



(L'k'b»-h2k'bB.-t-3.mKf (k'k'b'-t-2k'bK-t-2mR)~ 



E perciò 



Rm 



(<,=(i'-h2AaR+2mR) 



=:L==zV(ka)=V(o)-^.bF(k'b) 



mm(k'h-+-K)b Mhk'-^K) 



2i/2mK (k'k'l'^zk'bR-hi.mK)" (k'k'b'-i-zk'hK-^s.mB.)^ 



3 3mRA:''a» . 3R=mA:"a fc"a' k'aK 



2l/2mK „- „-! „j „a 



(2mR) (2/?jR) (aRm) (2mR) 



3.a.a.k" 3 a.k'' a^k" uk" 



ai/2;/iR 4.mR[/'2mR 4 /«^/qmH 2Rmi/2mK 2m|/2mR 



3 k-' 'òak" k" lak ' 

 »_ 1 — 1 ^^^__ 1 — . I 



2[/2/«R i^ ù^in\/2m\i R ^ml/2mR 



3 5n/," 2^" 



2l/27?iR 4»J|/2?hR R 



Sarà perciò 



