>> 9

1.

 


6. .

, X :

   X

x t, , . . t0 = 0:

, . . 0 = 0, :

           .

.

= kx + b, , k , b . .

= 0 + axt (, , x = axt + 0x) t, 0x. , . 0.

, , , 1,5 /2 40 .

X . .

(. . t ) . t, x = axt .

, t0 = 0 0x = 0; t = 40 x = 1,5 /2 40 = 60 /. , (. 10).

, ( , , , ). .

10 / (36 /). , , , , 1,4 /2. X, , .

x (t) x = 0 + axt. . , t0 = 0 0x = 10 /; t = 3 = 10 / + 1,4 /2 3 = 14,2 /.

, , 11. x , .

, , .

, , 20 / (72 /), . 2 /2 10 .

, 20 /.

, : t0 = 0 0 = 20 /; t = 10 x = 0. 12.

, t .

1. , , : ) ; ) , .
2. : ) ; ) ?
3. , 11 12?

6

1. , 2 /. 4 , 0,25 /2?

2. , 0,2 /2. 2 /?

3. ( X, ) : a) 0x = 1 /, = 0,5 /2; ) 0x = 1 /, = 1 /2; ) 0x = 2 /, = 1 /2.
: 1 1 /; 1 1.

4. ( X, ) : ) 0x = 4,5 /, = -1,5 /2; ) 0x = 3 /, = -1 /2.

5. 13 - . I; II?

 

 

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