1. m = 10 l = 20 . , .
2. m 2 m (m = 10 ) l = 40 , . 4. , . .
3. 2 m m (m = 20 ) l = 1 , . 5 , . .
. 4 ( 2) . 5 ( 3)
4. H2O (. 6) y, . AB d = 0,097 , α = 10430' .
5. SO2 (. 6) x,
(d = 0, 145 , α = 124).
. 6 ( 6)
6. l = 30 m = 100 , , 1/3 . l = 60 m = 100 , ,
a = 20 .
7. l 3 m m 2 m. , , (. 7).
. 7 ( 7)
8. J a = 12 b = 16 , . 0,1 /.
9. a = 10 : , .
10. m = 50 R = 10 , .
11. d = 20 , m = 800 . , .
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12. m = 800 , , a 40 .
13. a = 10 b =20 , . 1,2 /2.
14. m = 1 R = 30 d =20 , l = 15 (. 8). , .
15. M R , m (.9). t = 0 . , .
. 8 ( 14) . 9 ( 15)
16. m = 0,2 , m 1 = 0,3 m 2 = 0,5 . T 1 T 2 , .
17. , , . m 1 = 100 m 2 = 110 . , m = 400 . .
18. m 1 = 0,25 m 2 = 0,15 , (. 10). , m1.
, T 1 T 2 ? 0,2. m 0,1 , . .
19. m = 1 (.11). . ) t y =50 ? ) F ?
. 10 ( 18) . 11 ( 19)
5
, .
: -3 , , -1 (), .
, O(. 1).
. 1.
.
|
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.
I β = , (1)
I ;
, φ , - . ,
M = - mga ×sinj,, (2)
, g - , - .
(1) (2)
I j = - mga ×sinα
ω2 = (mga)/ I, :
. (3)
(3) φ(t).
, (3) . φ m . ,
. (4)
φ , sinφ ≈ φ (3)
. (5)
:
j = j m cos(ω0t + α), (6)
α - , ω = 2π / - .
,
(7)
. , ,
, (8)
I - , . (8) (7),
(9)
(. 2): 1 = 2
,
. (10)
(10) (9).
(11)
(12)
.
(11) (7)
(13)
. (14)
g, (14),
. (15)
(12), 1 2 , .
, . . 2 a, .
. 2. a a
L np = a 1 + a 2 ̀ ̀ .
, 12, , 11, 10 -3 , (. 3). . 13.
. 3. -3
I.
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1. ̖1 : 1 , 1 1, 4 2, 5 , 8 + , 9 . .
2. , . = 0.
(5 ÷ 10). . . 1.
3. (Δ x = 20 ) .
4. .
1
x () | 0 | 32 | |
T (c) |
5. (. . 2) x 1 x 2, c (x2 x1 = L np) . . 2.
2
I | x 1 | x 2 | i (c) | L np i () | gi (/) | gi < g> | (gi < g>)2 |
― | ― | ― | ― | ― | ― | ||
― | ― | ― | ― | ― |
6. (15).
7. g.
g = (< g > Δ g) (/2), ε =... % α= 0,95.
II.
1. ( = 2 ). 5 . 7 . 10 . . . 3.
3
φ m | 10º | 20º | 90º | |
(c) |
2. , φ m 10 90 100-200
3. φ m.
1. . : , . , ?
2. . , .
3. . ?