1.
1:
, , w /, . g , , .
(4 )
2:
1 /. 200 . 20 ., . .
(3 )
3:
, , 5 ., 30 . 5 ^2. g = 10 /^2, , .
(5 )
4:
, 1-2-3-1, p-V. .
(6 )
5:
1700/, 1 -10, 100. 20. . 4200 /(*), 2100 /(*), 3.3*10^5 /, 22.6*10^5.
(3 )
6 ():
, R=50 .
: (t)=A+Bt+Ct2, A=10 , B=10 /, C=-0,5 /2.
:
1) v , a, an a t=5 ;
2) s |r| =10 ,
.
2.
1:
, 54 /, 200 . .
2:
, , ; 16 /. 30 /. ?
3:
2 /2. 80 .
4:
(, , ...), ?
5:
.
6:
, 4 /. , ? 2 .
|
|
7:
- ?
8:
?
9:
2 420 360 /. , 108 /. .
10:
30 20 / 70 10 / . .
11:
, , , 1 11 ? 0.043 /.
:
S = S2 - S1 = 4(r22 - r12) = (d22 - d12)
.. ( ),
A =2a S = 2a(d22 - d12) = 0,0032 ()
: = 3,210-2
11 ():
, n0=10 -1, . , , n=6 -1. ? t , N=50 .
3.
1:
. , , : , ?
2:
. , , . , . Ƹ .
3:
3 , . . 40 , , 0,1 /. 3 ?
4:
300 57 . .
5:
120 , 12 0,5 5 /. .
6:
. 1 , 3 . , . ? . 32 /, 28 /.
7:
. : 0,2 2 , 0,1 1 . 2 , 1 . . ?
|
|
8 ():
( x) x = A + Bt + Ct2,
A=5 , =4 /, =-1 /2.
1. x s .
2. v t1 = 1 t2 = 6 .
3. v .
+
++