.


:




:

































 

 

 

 


10


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 .

+

++



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