pp :
1 , ,
= 500 + 2×106d,
d , .
,
= 2(500 + 2×106 d).
, 10 % .
2 ( t, ):
pp t = 0,04(1 + dd×106);
t = 0,03(1 + d2×106);
t = 0,02(1 + d2×106);
t = 0,03(1 + d2×106).
t t + t (t , ) t/t + t = 0,50,7 ; t/t + t = 0,40,6 ; t/t + t = 0,150,36 .
3 , ( 2050 %). S, , S = (2,83,2)d ; S = (2,42,8)d ; S = (1,52,5)d . V, /, V = S/t + t.
I, , , , :
I = ÖQ/mr R. t.
, ( ) , , , I
d = d. 1,11,2b.
b . 3.
3 b
| d , | 0,5 | 0,8 | 1,0 | 1,5 | 2,0 | 2,5 | 3,0 | 4,0 |
| b, ×10-3 | 2,53,5 | 3,94,0 | 3,54,5 | 5,56,5 | 6,58,0 | 7,59,0 | 8,09,5 | 10,011,5 |
| , ×10-3 | 4,0 | 5,0 | 5,0 | 7,0 | 8,0 | 9,0 | 10,0 |
R. , .
I, , :
I = I×3 
.
I2 :
I2 = I + I.
I2 .
|
|
|
R = R. 
