.
. 2.21. 1, 3, , 2. ( ), , . . , .
, ,
(2.56)
, ; U .
,
(2.57)
M = Wa .
,
(2.58)
(2.58) , .
:
(2.59)
(t) ; U ; җ , .
, ( / a = const) . .
, , .
, , .
. . . , . 2.22,
1 / k = 2 / 1 +1 . ( , 2. k ).
: |
. . 2.21. 1, 3, , 2. ( ), , . . , . , , (2.56) , ; U . , (2.57) M = Wa . , (2.58) (2.58) , . : (2.59) (t) ; U ; җ , . , ( / a = const) . . , , . , , . . . . , . 2.22, 1 / k = 2 / 1 +1 . ( , 2. k ).
: 2015-05-08; !; : 1951 | : : , |