25*25*3 , - .
q = 200 3\, 2,0 -\ 0,8 -\. 2 = 15 \. = 3 \. , t = 300.
1. 2 - ,
= + 44Δ;
-\,
= ..;
, - , -\;
. , -\.
2 \.
= 15 + 44(2,0-0,8) = 67,8 \
2. - 2
G = = = 12.96 \.
q - , 3\.
2 , \;
, \.
3.
F = = = 1240,19 2;
. . 4 , 60 3\2-. = 0,55 \;
Δ , .3
( 2 , , . Δ = 0,019 \3.
4.
W = = = 6,08 3;
S .4, 2\3.
5.
V.. = d*q = 30*200 = 6000 3\;
d , .. 1976 . d, d = 25 3\3, d = 40 3\3.
, 30 3\3.
6. , 2
f = = = 3,33 2
60 , .5 ( f .5).
7. .5
D = 2060 .
8.
V = = = 0,50 \
V.. , 3\. ( )
f , 2. .5
9.
h = = = 1,83 ≈ 2 .
. 1
|
|
1.
0 | |||||||
a | 1,65 | 1,44 | 1,29 | 1,16 | 1,06 | 1,00 | 0,95 |
2.