>> . . 10 .

3. .

 


2

1. . , . ?

2. , 58 . . ?

3. L, , , h. ρ. . l , ? 0.

4. , . 1 = 768 . . h1 = 748 , l = 80 . 2, h2 = 734 ? ρ = 1,36 104 /3.

5. S = 10 2. l , , V = 0,02 3 0 = 1 105 = 3 105 n = 100 . .

6. . , 3.22. m = 6 , S = 20 2. 0 = 105. m1 , , V1 2 . . .

7. t1 = 27 t2 = 39 . , ?

8. , , m = 0,012 . t1 = 177 V1 = 4 . t2 ρ2 = 5,3 /3?

9. , r = 2 l = 10 d = 1 , t1, . . t2 = 13 , , , , . , , . t1, ?

10. t1 = 17 = 240 . Δ = 40 . , 0 = 100 .

11. , 1 p1, T2 2. . ?

12. - t1 = 27 1 = 105 . , 0 = 80 , n = 5% Δ = 5 . , , .

13. - . V = 10 . 1 = 263 1 = 9,3 , 2 = 295 2 = 9,4 . m , ?

14. 1 T1 2 2, 3 3 1. T3, , (. 3.23), 1 2 .

15. V = 10 t = 20 = 107 . , m = 50 ?

16. V = 10 1 = 10 t1 = 27 . m = 10 , t2 = 17 . , .

17. V1 = 1 3 1 = 250 1 = 2 105 . 2 = 5000 V2 = 10 3, ?

18. V1 = 200 3 V2 = 100 3, t = 27 0 = 760 . ., , , . t1 = 100 , t2 = 0 . .

19. , V; , V, = 1 = 21.

20. , V; , V, : 1) = 1 = 21, ν = 1 ; 2) = 1, ν = 3 .

21. 3.24 , V. V, , .

 

 

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