59.
.
250 K?
60. W []
,
, .
, .
.
61. W []
,
, .
, .
.
62. W []
, ,
.
, .
.
63. W []
,
,
σ1 0,6 . σ 2
64. W []
, ,
σ2 0,5 . σ1.
65. σ
L ,
α. α1 α2?
66. L,
σ ?
67. σ,
9 ?
68. 4 .
σ ?
69.
(.) : 350 , 300 , 250
(.) 250 20 .
70.. (.)
: 350 , 300 , 250
(.) 350 10
|
|
|
71. (.)
: 350 , 300 , 250
(.) 300 14 .
72. .
(.) : 5 , 3 , 2 , 1
(.) , 3
60 0 .
73. .
(.) : 5 , 3 , 2 , 1
(.) , 1
227 0 .
74. .
(.) : 5 , 3 , 2 , 1
(.) , 2
227 0 .
75. . () : 5 , 3 , 2 , 1
(.) , 3
50 0 .
76. .
() : 5 , 3 , 2 , 1
(.) , 2
23 0 .
77. .
() : 5 , 3 , 2 , 1
(.) , 3
60 0 .
78. .
() : 5 , 3 , 2 , 1
(.) , 5
730 .
79.
80.
.
81.
E
82.
E σ .
83.
.
84.
66 . .
85.
40 ,. .
86.
115 . μ
87.
μ 0,35. .
88.
.
89.
.
|
|
|
90.
.
91.
92.
10. 2 2.
.
93.
.
94.
μ 0,35.
.
1. " ". ,
.
2. ?
3. ( ). .
4. . , .
5. . , .
6. h .
7. τ 
. ?
8. . , .
9. . , .
10. . , .
11. ? . , .
12. τ
.
13. η .
14. , .
15. . , . " ".
16. η . , .
17. S(1) = 150 2 S(2) = 900 2
18. l = 800 , 15 /, 700 .
19. , 5 . 20 /, 800 .
20. l = 800 , 4 . , 600
21. 500 2, 15 20 /?
22. 20 , 500 2,
0,5 /?
23. , 0,4 /, 25 25 /?
|
|
|
24. S(1) = 160 2 S(2) = 900 2
25. , 60% . , 30 /.
26. , 65% . , 60 /.
27. . ρ =1000/3 S1 V1 = 2,5/ R1 = 4 R2 = 2 ., = 10 5 .
1 S1.
28. . ρ =10 3/3 S1 V1 = 0,8 /, R1 = 3 R2 = 2 ., S2.
29. . ρ =1000/3 S(1) V1 = 1/, R1 = 4 R2 = 3 ., =105 . 2 S2.
30. . ρ =1000/3 S1 V1 = 3/, R1 =5 R2 = 3 ., =10 5 . 1 S1
31.
ρ =1000/3 S1 V1 =0,5/, R1 =4 R2 = 3 ., S2.
32.
ρ =1000/3 S1 V1 = 0,7/, R1 = 4 R2 = 2 ., S2.
33.
ρ =1000/3 S1 V1 =1,5/, R1 = 5 R2 = 2 ., S2.
34.
ρ =1000/3 S1 V1 = 0,5/, R1 = 4 R2 = 2 ., 1 = 10 4 . 2 S2
.
35.
ρ =1000/3 S1 V1 = 3/, R1 =4 R2 = 3 ., =10 5 . 1 S1.
36.
ρ =1000/3 S1 V1 = 1/, R1 = 4 R2 = 3 ., 1 = 10 4 . 2 S2.
37. , , 0,3 / 2 . 1 ?
|
|
|
38. 1,5 ×, 800 /3 .
4 ×, 1200 /3. 5 10 . 3 .
39. 2 ×, 800 /3 .
3 ×, 1200 /3. 4 10 . 8 .
40. , . 8 . 1085 /3, 1035 /3.
1,4 ×.
41. 2
1,5 . , ?
42. , 1,5. , , .
43. 5 . , , 2 . .
44. 2
1,5 ?
45. ,
40 %?
46. , 50 %.
?
47. , , . 15 . .
48. , , . 9 . ?
49. R=1,5 .
V= 50 /.
. 
 |
50. = 50*10 5 . /3
.
51. Q 150 /. 3
 |
52. Q 100 /. 2
53. 2 1.
54. Q 200 /. 1
55. 4 . . 2 1,5 .
1 .
56. 4 .. 1 2 .
1 .
57. 2 3.
58. 3 1.
59. R=0,5 .
20 /. .
60. Q 100 /. 1 R= 2 .
.
61. Q 150 /. R= 1. 
.
62. 10%. , 15 %?
|
|
|
63. 4 %. ,
10%?
64. 15%. , 10 %?
65. d (1) = 15
d (2) = 6 . , .
66. , , N S0 = N. s?
67. 5 - ?
68. , , , . 0,007 , 0,9 , 4×10 8.
0,004 , - 0,2 , 2×10 9.
69. , 50 2 , V = 50 /? 1,2 *.
70. 15
11 . ,
71. 1,5 4 0,5 1 ?
72. (1), 3 × (2) 20 % , (1). , .
73. , , . , , .
74. , . ρ = 1020 /3
η =1,5 *, P = 70 . , , 0,4 , 60 . 200 120 . .
75. ΔP = 5 ...,
5 . τ 6 . .
76. R = 2,5 1,5 /. .
77. 1 3 t = 1c , τ = 0,8 , = 10 - 1?
78. 1,4 , 1,5
2 , ?
79. , ( 1 ) V = 450 /.
17 *, - 1,3 /3 . .
80. , ( 0,8 ) V = 260 /.
17 ×, - 1,3 /3. ?
81. 1300 15 , 1050 /3, 4 ×. .
82. 0,1 ×. 25 % ( ), , . 1,5 ×.
83. . η
H.
= 0,45
84. . η
H.
.
85. , .
, , , = 28,1/ = 4,1/.
86. , .
, , ,
η ∞.
87. , .
, , , τ 0 .
88.
, η∞ = 10 *, = 1,44, - 1.
89.
, η∞ = 2,5 *, = 4, - 1.
90.
, η∞ = 5,6 *, = 1, -1.
91.
, η∞ = 2,5 *, τ = 1,69, -1.
92.
, η∞ = 2,5 *, τ = 0,09, -1.
93.
, η∞ = 5,6 *, τ = 0,01, -1
94. , .
, , ,
η∞ η
= 28, 1/.
95. , .
, , ,
η∞ η
= 4, 1/.
96. , .
, , , η = 4, -1.
97. , .
, , , η = 14, 1/.
98. , .
, , , η = 4, 1/ η
= 14, 1/.
99. , .
, , ,
= 14, -1 η∞.
100. .
?
101. σ
h = 0,05 d = 1,
P(i) = 900 . ., = 750 ...?
(1... = 133 )
102. P(i) ,
σ = 50 ,
h = 10. , 6.
P = 750 .. (1... = 133 )
103. ,
.
104. σ = 20 .
E = 1 ,
η = 0,13 ×. σ .
105. ε = 0,9.
E = 2 ,
η = 2 ×. ε .
106. ,
, τ =10 ,
η = 4 ×, τ0 = 5
107. , ,
σ = 120 .
, = 20 ,
108. .
η = 100 ×, = 10 .
ε t = 5 .
σ = 20 .
109., ,
σ =15 . t = 40
ε 2 %.
η .
110. σ = 6 .
E = 10 ,
η = 0,4 ×. ε .
111.
. σ = 700 .
σ t = 0,5 ,
η = 70 ×, E = 140 .
112. , :
= 10 ,
η = 50 *,
σ0 =10
t = 8 .
113. , :
=15 ,
η = 60 *,
σ0 = 30
, σ = 7 .
114.
, :
=10 ,
σ0 = 50
5 σ =18,4
η
115.
, :
=15 ,
η = 60 *,
8 σ = 2,7
σ 0
116.
, :
η = 100 *,
σ0 = 30
6 σ = 6,7
117.
, :
=10 η = 30 *,
σ = 80
e 4
.
118 
.
, :
=10
η = 20 *,
σ = 80 . t ε = 6,2
119.
, :
= 20
σ = 50
5
ε = 2. η
, :
=10
σ = 60
3 ε = 1,7. η
121.
, :
=10
η = 40 *
3 ε = 2,64
σ
122.
, .
123. ε
, .
124. s
.
125.
 |
. .
.
|
126.
. .
, = 10 ,
η.
127.
|
. .
, = 20 , η.
|
128.
. .
, = 20 , η.
|
129.
. .
, η = 40 *, .
|
130
. .
, η = 100 *, .
131.
|
. .
, η = 90 *, .
132.
. .
.
133.
. .
.
134.
. .
.
. .
, = 10 , η.
136.
. .
, = 20 , η.
137.
. .
, = 20 , η.
138.
. .
, η = 120 *, .
139.
. .
, η = 40 *, .
140.
. .
, η = 50 *, .
1. .
2. (, , , ).
3. . ,
4. . , .
5. . , .
6. . , .
7. . , .
8. . , .
9. ,
3 , 4 ?
10. . .
11. .
12. ?
13. ?
14. , ?
15. .
16. .
17. ?
18.
19. .
20. .
21. .
22. : 
+ 4 
+ 36 = 10 cos(8 t).
: ) ? ) ?
23. : = 20 cos (62.8 t + p/4).
, , .
24. . = *exp (- b *t) cos(w *t + j 0)
j 0 .
25.
.
26.
ν .
27. .
ω .
28. .
β.
29. .
λ.
30. . ,
(), .
.
31. . ,
(), .
ν.
32. . ,
(), .
.
33. . ,
(), .
ν1 ν2 .
34. , ,
16 5 .?
35. 4 , l = 5?
36. β = 0,04,1/.
"" ?
37. : + 4 + 36 = 0.
β?
38. :
= 15 exp (-100 t) cos (62,8 t + p/4). .
39. 30 10 . ?
40. 30%. % 3 ?
41. λ = 0,005. N, , 3 .
42. 10 30 . λ.
43. 20 200 . β, T= 5 .
44. :
= 12 cos[0,63 (t + 0,5)].
. - , t - .
45. m = 50 , R = 5 . . t = 15 5 . η .
46. ,
3 , 4 , 2 ?
47. E = 5 t = 5
S = 2 2. I (/ 2)?
48. , N = 15 . X0 , S=10 2.
V= 1500 /. ν =10 .
ρ = 1100 / 3. .
