1. 60 , 8 /, 80 , 2,9 /, . 1) ? 2) , ?
2. 70 , , 3 8 /. , , , 0,02.
3. , , 2 . , 0,1 /. 100 . 0,5 . ..
4. 100 , 5 . , , , , 2 ?
5. r=10-2 . , m=0,2 . t=5 h1=1,2 , , , h2=0,8 . .
6. 80 1 , 20 /. . , , , 2,94 ∙2 0,98 ∙2? .
7. m = 100 , , n 1 = 10 /. m 0 = 60 . n 2 , ? , - .
8. m 1 m 2 , . . , h . , . ?
9. r 1 r 2 (.7) . 1 2 m 1 m 2, , , . 1 2 , , 1 v 1, .
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.7
10. (.8) r 1 r 2 . 2 m 2, , 1 m 1. , , , , . 1 2 , .
.8
11. 1 m 1 (.9) , 2, . 2 r m 2. , , M 1 , , , .
.9
12. 1 m (.10) , , , , . m 1, r, = l. F, , , 1, . , .
.10
13. 1 m 1 (.11) , 2, = at, a . 1, 1 f, , t = 0 . , , 1 . r m.
.11
14. m 1 m 2 (.12) r 1 r 2 . , , m, . F. , f, , , .
.12
15. r 1 r 2 (.13) . 1 2 m 1 m 2, , , . 1 2 , , = at, a , , , .
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.13
16. 1 m 1, (.14) , 2 , r 1. , r 2, , 3 m, , f, . , . , .
.14
17. 1 m 1 (.15) 2, M, , , a . 1, 1 f, . r m.
.15
18. r 1 r 2 (.16) . 2 m 2, , 1 m 1. , = at, a , , , , . 1 2 , .
.16
19. 1 m 1 (.17), , 2 , r 1. A , r 2, , 3 m, , f. , . . 3, .
.17
20. 1 m 1 (.18) , 2, = at 2, a . , 1 f, , t = 0 . , , 1 . r m.
.18
21. r 1 r 2 (.19) . 2 m 2, , 1 m 1. , , 1 t, . 1 2 . .
.19
22. m 1 m 2 (.20) , 1 2 , r 1 r 2 (r 2 > r 1). . , , . . , .
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.20
23. 1 m 1, (.21) F f, 2 , r 1. , r 2, , 3 m. , . 3, .
.21
24. 1 m 1 (.22) , 2, = at, a . , - , . , , , , . 2 r m 2.
.22
25. 1 m (.23) ( ), M 1 = at, a . m 1, r, = l. , F , 1 , , . , .
.23
26. m 1 m 2 (.24) r 1 r 2 . , , m, f. F = at, a . , , , , . , , .
.24
27. 1 m 1 (.25), , 2 , r 1. , r 2, , 3 m, . , , = at, a . , .
.25
28. (.26) r m . m 0. M = αt, α , vr = v 0. , .
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.26
29. 1 m 1 (.27) , 2, = at 2, a . , - , . , , , , . 2 r m 2.
.27
30. (.28) m 1 m 2 , 1 2 r 1 r 2 (r 2 > r 1). . B, , A , . . , .
.28
31. r 1 r 2 (.29) . 1 2 m 1 m 2, , , . 1 2 , 2 , , α .
.29
32. 1 (.30) m 1 r 2 m 2, . 3 1. M, , M = αt, α . , , , . , .
.30
33. 1 (.31) m 1, , 2 , r 1. , r 2, , 3 m, . , , = at 2, a . v 1(t) 1 , .
.31
34. (.32), , . , , F = at, a . r, , , f, = l, = b.
.32
35. (.33) z, . m, . 1 m 1 v r = at, a , M = bt, b . . .
.33
36. (.34) ( r m . m 0. M, vr = at, a . .
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.34
37. (.35) r m M = αt, α . m 0 v r = at, a . .
.35
38. (.36) r m M = αt, α . m 0 v r = at 2, a . .
.36
14. 1 P 2 Q (. 37). . , r.
.37
. + + (. .37). , , : P Q, N. Oz L Z
P N , , Q Mz (Q) = Qr. 1 (Lz 1) 2 (Lz 2) : Lz = Lz 1 + Lz 2, , (1),
,