) 28; |
m=1 V=1/. ?
) 0,5; |
1 䳺 . , ,, ,. .
) 1
: |
8/. 3500. .
m=1 V=1/. ?
1 䳺 . , ,, ,. .
) 1
|
0, /. 0 , /.
) -64 ; |
1 0,1×2, . 2 3 100. , .
) 1,89 /; |
䳺 (). 0 2 .
) 8 ×
䳺 (). 0 2.
) 8 × |
䳺 (). 0 2.
) 11,31 × |
䳺 (). OY , .
) 0,5 /
1 r = 0,1 , 2 m = 1 . = 2 ͷ, 䳺 2 . 1, 1 J1 = 0,1 2, f =0,1.
) 1,73 /2; |
/2. .
) 120 . |
Oz 䳺 ×. .
) 16 ×; |
/. , .
) 0,45 ; |
1 2 2 ×. , . 0,2.
) 12,53 /; |
1 2 20 ×. , 3.
|
|
) 1 /; . |
䳺 10 . , Fx=3H; Fy=4H.
)50 × |
, V0=5/c, u0=2/c. . V , =4ּ104 , m=0,1ּ104 .
) 5,0488/ |
, /. 16. .
) 1,0 ; |
. , , .
) 9,62 ; |
. , . .
) 5,39 /; |
䳺 ×. ×2. 1 , .
) 11,2 /. |
m = 9 - (). , .
) R 14,1 ;
m = 8 () (). t = 4 .
) R 10,7 .
() , ×2, , 䳺 .
) 1,25 ×; |
m = 4 = 0,3 t /2. , 䳺 t = 3 .
) F = 3,6 ; |
m = 6 V = 0,5 t 2 /. , 䳺 t = 1 .
) F = 6 ; |
m = 1 xyz (); (); (). F, 䳺 .
) ;
m = 1 xyz = 2 t 2 (); = t 2 ();
z = 4 t (). , 䳺 t = 1 .
) F 4,5 ;
ҳ m = 50 , , = 0,5 /2. .
) 516 ; |
ҳ , =300 = 4,8/2. .
|
|
) f0,01; |
ҳ m = 10 =3 t 2 (). , 䳺 , f = 0,2.
) F 79,6 . |
ҳ m = 10 䳺, F = 99,6 =4 t 2 (). f.
) f 0,2; |
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 ; |
|
|
|
|
: 2017-02-11; !; : 789 |
:
: , , , , .
==> ...