1. ܻ, . .
2. 13 .
3. 3, 1 15 , 3.
4. 13.
5. "/ - " 1-2 ( "(I)"). " +" " " (30 50) ( ) .
6. , 13 .
7. " +" " " f, , , . ω0 = 2π f 1.
8. 10 7 11, 9. x 10 17 . ℓ2 O :
ℓ 2 = (x + 35,5) . (12)
9. (12) ℓ 2 1. M, ℓ 2 :
= m 2 ℓ 2 g, (13)
m 2 .
10. , 7 11 , , 13, . , W ω.
11. 10 20 , W. . 2-3 , 1.
12. , , 13 .
13. , x 1 . x. .11-13. 5 ( ). 1.
14. , 1, W M.
. :
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. (14)
Δ ℓ = 1 .
1. W M
| w = m 1 = | ||||
| x | ℓ2 | M | W | |
| × | /c | |||
15. 10 7 11 , , 9. x . (12) ℓ2 O 2.
2. W ω
| ℓ2 = __________ | |||
| f, | ω0, / | W, /c | |
16. " +" " " f = 30 , . ω0 = 2π f 2.
17. , 7 11 , , 13. , W .
18. 10-20 , W 2.
19. , 13 , .
20. 18 21 6 , 5 .
21. , 2, W ω0. , 2-3 , 2.
. ω0 :
. (17)
22. .
1. ?
2. ?
3. ? ?
4. .
5. ?
6. ?
7. ?
8. ?
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9. ?
10. ?
1.10
I. : .
II.
 21 -19
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-1/1 ( . 21 ).
