, , . 24.
x=A*sin(2/T*t+) x=A*sin(/12*t) x=A/2 0.5=sin(/12) /12*t=/6 t=2
, , . , . : A = U ‑ U .
(1.41) :
. ,
, , 
:
. 11 /.
m 1 = 0,2 m 2 = 0,1 , . h 0 = 4,5 . h , : ) ;
(): :
x:
,
,
m = 4,65-10-26 , v = 600 /, . Ft, .
:
A = 10 T = 5 . : 1) ; 2) .
m=10 x=5sin(P/5*t+P/4) . Fmix, , W .
ma=F.
8
, = 2,44 /2?
:
J L .
:
m, = m2 v. WK, =4*. Wk2 .
D = 60 m = 1 , n = 20 /. , ?
|
|
|
:
| t = 1. . t = 3 ? | |||
:
| :
β
: 
|
t 2 = 3 = 180
-?
, , , 1/4 . k .
:
, v1 = 15 /, v2 = 20 /. mdv , , d W = 8,75 . 
D = 6 m = 0,25 n = 4 /. WK .
:
, n = 5 /, WK = 60 . L .
:
l = 85 , . v , ?
:
l = 1 , . , v = 5 /?
:
R = 10 n= 2 / , . , w ?
:
= 900 /. , , N = 75 . t ?
:
l = 0,5 , . T .
:
56,5 , , , . .
| : d = 56,5 | : 0,565 |
| =? |
:
:
| (1) |
( ):
| J = J + m2 | (2) |
J , :
| J = mR2 = m = | (3) |
, :
| = | (4) |
(3) (4) (2) :
J = + m.
(1), :
= = =.
:
|
|
|
= = 6,280,24 = 1,5 .
: = 1,5 .
