, 1 . ,
, (1.26)
t1 t2 ;
q12 , t1 t2.
, , :
= m / m; ¢ = mc / 22,4; ¢ = r. , , - 1 2:
q12 = (t2 t1). (1.27)
, . , +¥ ¥.
, , . , (1.26), , q1-2 1 2. , , , . . t2 t1 = 0. : = ¥. , , .
, , . . q12 = 0 = 0.
, 1 , , , , . 1 , (, ), , . , , . v = const, = const, , c > cv.
, . n- :
c = a + bt + et2 +..., (1.28)
, b, .
c = f(t) . 1.2. , (1.26), m t1 ÷ t2. dt
:
. (1.29)
1 2
. (1.30)
. 1.2 . cm:
. (1.31)
, 0 t , . . . q1-2 ( .1.2) :
. (1.32)