n( n - 1) 4 3 t 0.01 2 T2s = T2 s 3 = = 2,22 10 -4 s n 30 3 T2 = T22j + T22s = 0,0135 2 + 2,22 10 -4 ( ) 2 = 0,0135s G= 4 = ( 4Lm( r12 + r22 ) 4 1,23 0,613 ( 69,925 10 -3 ) + ( 3,05 10 -3 ) 2 2