.
, - .
:
1. , .
2. , .
|
: 1) ; 2) ; 3) . |
S =0 |
A |
ߖ , . () - (), . , . |
, :
.
2)
B |
A |
R |
.
- 2. .
-, (, , , , ..).
- , , (, , , ..)
.
. . |
.
- 3. 7 . .
- , ( ).
0 3 6 9 12 15 18 () 0 1 2 3 4 5 6 () |
[S] =
[t] = c
Sx 0 |
Sx 0 o |
X = Xo + Sx X = Xo + u×t |
X = Xo - Sx X = Xo - u×t |
:
t, c |
t, c |
t, c |
u, / |
t, c |
,
, ( ).
- 4. .
0 Xo X |
Sx = uC×t |
- .
Xo + Sx = X X = Xo + uC×t |
X2 |
X1 |
, .
C |
.
y' |
y |
x| |
x |
u1= 0 |
u2 ¹ 0 |
u1=0.
u ¹ 0.
, .
x| |
x |
u2 =12/ |
u1= 5/ |
y| |
y |
u1 = 5 /.
u = 17 /.
- S1.
- SP.
|
|
|
|
: 2016-12-05; !; : 515 |
:
80% - .
==> ...