.


:




:

































 

 

 

 


/. ,




1 2 , ,, 䳺 1. 1 , .

) 2,37 /;

1 2 , , 䳺 1. 1 , .

) 3,13 /;

, m t = 1 , 䳺 F = 12 t 2 (). t = 0 0 =3 , V 0 = 6 /.

) = 10 ;

1 2 , . 1 , . .

) 4,43 /;

1 2 璺 , /. , , 4.

) 0,051;

1 2, m2 = 2m1, , r. , .

) 3,27 /2;

1 2, m2=2m1, , r. , , m3 = m2 ᒺ.

)2,45 /2;

e1 1, r1 =0,05 , r2 =0,1 , J1 =0,012, J2 =0,022, = 0,15 ͷ.

) 10 /2;

e1 1, r1 =0,1 , r2 =0,2 , J1 = 0,02 2, J2 = 0,04 2, = 0,3 ͷ.

) 10 /2;

e2 c 2, r1 =0,15 , r2 =0,3 , J1 =0,03 2, J2 =0,06 2, 1 - 1 =0,4ͷ, 2 - 2 =0,08ͷ.

) 4 /20 , ;

3, J3 =0,12, , 䳺 =0,6ͷ, m1 = m 2 = 10 , R = 0,2 , r =0,1 .

) 1,00 /2.

e, 䳺 = 0,06 ͷ. m1 = m2 = 1 , r =0,2 , 1 .

) 1,00 /20 , ;

1 m1 =1, 䳺 = 5 ͷ. 2 J2 = 1,0 2, r = 0,5 .

) 2,0 /2.

, m1 = m3 = 2 , 璺 , 2, . , 1 f =0,1.

)4,41 /2;

, m3 = 2m1 = 6 , 璺 , 2, m2 = 4 r. , 1 f =0,12.

)4,26 /20 , ;

dz m . , , , 3/. /2.

) 0,45 ;

dz 䳺 ×. ϳ 1 2 2 /. , .

) 2,36 ×2;

1 䳺 = 4,52 ͷ, m1 = m2 = 2 , r =0,2 , .

)1,0 /2;

m = 5 䳺 F 1 = 3 F 2 = 10. .

) 1,13 /2;  

m = 9 䳺 . .

) 1,17 /2;

, a = 100 . , S = 30 .

) t 5,93 .

m = 50 䳺 F = 50 , . , t = 20 .

) S 188 .

m = 900 䳺 F = 270 t (), . t = 10 , t 0=0 V 0 = 10 /.

) V = 25 /;

m = 25 䳺 (), . , t = 4 .

) S = 8,53 ;

m = 100 䳺 F = 10 t (), . , 5 45 /.

) t = 20 ;

m = 0,25 F = 0,4 t (). t = 2 , V 0 =6 /.

) V = 2,8 /;

 

m = 2 (). t = 4 ,
t = 0 V 0 = 0.

) V = 0 /;

0, /. 0 , /.

) -64 ;

1 0,1×2, . 2 3 100. , .

) 1,89 /;

1 r = 0,1 , 2 m = 1 . = 2 ͷ, 䳺 2 . 1, 1 J1 = 0,1 2, f =0,1.

) 1,73 /2;

/. , .

) 0,45

1 2 2 ×. , . 0,2.

) 12,53 /;

1 2 20 ×. , 3.

) 1 /;


, /. 16. .

) 1,0

. , , .

) 9,62 ;

ҳ , a = 300 . .

) 4,9 /2;

ҳ , a = 300 . , f = 0,2.

) 3,2 /2;

ҳ m = 5 䳺 F = 10 , .
a = 300 . .

) 6,9 /2.

ҳ m = 200 䳺 F = 1. , S = 8 , .

) t 13.

ҳ m = 12 䳺 F = 0,6 t (), . , t = 10 .

) 8,33 ;

 





:


: 2016-03-27; !; : 1000 |


:

:

.
==> ...

1844 - | 1701 -


© 2015-2024 lektsii.org - -

: 0.033 .