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""
: 22.02.05
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____ ___________ 2016 .
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- 2016
1
1. . .
2. , .
3. 9,8 . :
n = 15 /; n = 20 /; = 30 /2; = 60 /2; = 1200
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() ( )
2
1. . .
2. .
3. 100 100 . S = 10 . 500 . - . - 3. - 1100 . α = 25 (cos α = 0,906)
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3
1. .
2. . . .
3. HB = 300300 1250 100 : 
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4
1. . .
2. .
3. HB = 320320 1250 : 
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5
1. .
2. .
3. 2,25. 1,5. (. . ), 625 2.
|
|
|
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() ( )
6
1. 1300.
2. . . .
3. : .
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() ( )
7
1. .
2. . .
3. - , 80 , 1,25. 500 . .
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() ( )
8
1. . ()
2. . .
3. - 80 80 . 100 . .
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() ( )
9
1. . . .
2. .
3. - 80 . 100 . .
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() ( )
10
1. . .
2. . .
3. 277 2. .
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() ( )
