1. V = 10
t = 27 0. ,
D= 4,14 . , ?
2.
n = 51024 -3 . E = 8,510-20 . , .
3. m = 10
P1 = 107 /2., Dm , P2=2,5106/2.
4. V = 200 ?
5. , t = 27 0 V.
, 0,75V?
6. V = 15 , T = 300 . 0,3 , 0,2 0,1 . .
7. , P = 2,67105/2, = 2103 /.
8. V = 5 14 22 t = 57 0. .
9. m = 290
= 600 = 2,46 V = 30 . .
10.
= 1,2 . , 0,2 %.
11. V = 224 3, m = 145 .
= 1,01105 . , ? t = 0 0,
m = 2910-3 /.
12. , L =40
l =20 . , . 760 . .
13. V = 30 t = 0 0. , D =0,78 . Dm. r = 1,3/.
14. L = 1 l = 20 . , Dl = 10 . ?
15. 1 3 1-2-3. -V 1-2 , 2-3 , 1 3 , . 2, 1 3
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t1 = 16 0 t3 = 168 0. -V.
16. r = 610-2/3, = 500 /. , .
17. , . m 1= 3 , m 2= 18 . . ?
19. h = 10 . n = 1,2 , = 1105 ? r = 1 /, .
20. V = 22,4 . , , = 0,5106 /2. , .
21. , = 0,1 .
22.
t = 10 0 = 1105 .
23. D = 1,42 2/
h = 8,5106 /. 1 3 .
24. t = 27 0 = 110-3 . .
25. . , ?
26. r = 210-2/3. .
27.
1 3 , ?
28. 1 , = 410-6 ,
= 500 /.
29. 2 .
?
30. , r = 1,7 /3. = 7,910-6 . d.
31. C v C , , m = 84 /,
C / C v = 1,67.
32. C v C .
33. V = 8 . C .
34. C v C ,
r = 1,43 /3.
35. , 12 7 .
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36. 10 16 . g = C / C v .
37. 976 /(), 30 /. .
38. 260 /(). .
39. C v = 567 /(). , .
40. = 2105
= 600 . ,
C = 909 /().
41. 10 , t= 17 0, = 860 . ?
42. S = 100 2 56 t1 = 20 0. t2 = 120 0. ? = 1105 .
43. , V = 5
= 2105 t = 27 0 . = 200 . ?
44. = 575 . .
45. , V1 = 15 , V2 = 3 . ?
46. 16 = 2 .
t = 57 0. , V = 15 . , .
47. ,
V1 = 3 1 = 8 . 1-2-3-1. 1-2 V2= 4,5 , 2-3 2= 6 . 3-1 - V1 c . - V , .
48. V = 15 1= 9 . , 2 = 2 .?
49. , t = 27 0
= 2106 , 2 . , .
50. 56 , t = 27 0 1= 5 . 2 = 2 . , .
51. m = 10
D = 1 -
Q1 = 9,12 , Q2 = 6,52 .
, .
52. Dt = 550, Q = 1,6 . .
53. Dt1 = 50 0
Q1 = 670 . Dt2 = 100 0C , Q2 = 1005 . ?
54. 0,5 Dt = 10 0 DQ = 1,48 , . , .
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55. 14 . m = 10 ,
S = 100 2,
= 1105 . , Dt = 10 0? ?
56. , , Q = 42 . ?
57. , 1 2, .
58. V1 = 4 1= 6,4 . t1 = 27 0. V2 = 12 , 2 = 3,2 . 1-2-3, . .
, , .
59. , t = 47 0 , 2 . , . , .
60. , D = 60 . V = 10 . , .
61. 25%. , ?
62. 75%. , 2 , 1,5 ?
63. t1 = 127 0, t2 = 7 0. 60 . ?
64. , .
65. . 80% , , . 5 . , .
66. 27 0. , 127 0 327 0?
67. , , 300 . , 7 0.
68. . 25%.
, 75%, 1,5 ?
69. , 2 . 1 . , 7270.
70. , 2/3 , . , 327 0.
71. 100 -20 0 100 0.
72. 64 , . .
73. 8 1= 2 . 2 = 4,5 .
74. 300 , t1 = 500 0, t2 = 50 0. .
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75. 16 4 27 0 12 600 .
76. 1 3 58.
77. 56 t1 = 17 0 t2 = 205 0. , 1) ; 2) .
78. 22 1,2 , 4,2 /. , ?
79. , 4 , DS = 23/K?
80. 16 3 , . .