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1. (8 )
1 2 x y. t = 0 1 xo = 2 , 2 y = 4 . v1 = 1 /c. v2 = 5 /c. .
2. (8 )
m 1. , 2, b = 3 a.
3. (10 )
, , , 300 . , , 
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4. (10 )
, , , Q = 10 3/ . S = 50 c2. 
. , , .
5. (10 )
P - V 2 , . 1-3-4-1, 1-2-3-1 8,7 %.
6. (10 )
R1 = 10 R x U = 100 . R x, , .
7. (10 )
l = 0,4 (), , , , - (1, n), . n = 5, = 1,0 , (.. , , 1 = 0,1), ( ) 2 = 5.
8. (10 )
- R = 50 1 . , . .
9. (12 )
L, r 1 2. , 1 2 R 2R , , 1 .
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10. (12 )
, . m 1 = 2m m 2 = 3m. , , : m1 - v1 = v , m2 - v2 = 2v . . , , .
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