. . .
, , , . . , .
, .
, . ( ) . d, h l (. 5.5). (h >> d, l >> d). , . . , . 5.5. . , m = const. (5.2) (5.3). . , . : 1 = 2 = . ,
(z=0).
:
. ch(az) . ch(az).
,
,
:
,
.
. m = 1000m0; g = 107 /; f =50 ; d = 0.5 . kd : 0.7.
. 5.6 Bm/Bm0 2kd. , kd = 0.7 .
f = 2000 kd = 4.4, , , me Bm0
me/ Bm0 = 4.5. , 0.5 . 0.05-0.1 . . , .
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, , , , , . , .