1. - R = 20cm = 0,5m/s.

. ;

. ;

. ;

. .

2. o , = /4 rad

t = 2sec. = m/s.

. ;

. R .

. , .

. t = 1,5s;

3. L = 0,5m , 6 12 sec.

. f T ;

.

. .

. () 16sec;

4. - , = 0,4m/s. R = 80 cm, :

. .

, 2013

. f .

. t = 5sec.

. ()

.

. ,

k -

.

5. R = 40cm,

. t = 2sec s = 30cm, -

:

. , .

. , .

. f

. .

6. L1 = 20cm L2 =

10cm.

. ;

. ;

. ;

. = 30 (. /6

rad);

7. m = 0,1kg, ,

, 2013

R = 60cm. = 4s.

. ;

.

.

. .

. ;

8. m = 1000kg, -

= 36km/h . -

t = 2min, :

. .

. .

. t1 = 30sec

. .

9. (8),

:

. , s - t

. , t.

. - , t

. , t.

, 2013

10. R = 100m. = 10m/s B = 8m/s. to = 0 .

. , -

. ,

;

. (-

);

. , , -

. ;

.

;

11. , -

(12 ).

.

;

. ; (-

)

. 60 ;

. ; (....

)

12.

, -

= 20m/s. -

d = 2m. -

:

, 2013

. .

. -

;

. .

13. m = 50kg . L = 3m.

, =

0,8m/s. :

. -

.

. ;

. .

. ;

14. , -

, .

m = 200g -

R = 1,6m. t1

, h = R/2

= 4m/s.

.

..., (.

)

. .

; .

. t1 (

.)

. ;

, 2013