A. .
B. .
C. .
D. .
: [ _______ ]
19. . 20 , 40 . :
A. .
B. 20 .
C. .
D. , .
: [ _______ ]
20. . :
A. .
B. , .
C. .
D. .
: [ _______ ]
2
( )
1. 8 . 3×108 /, .
: [ ______________________ ]
2. , :
) ;
) ;
) ;
D) ;
) .
: [ ______________________ ]
3. 250 , 300 3. ? 2500/3 .
: [ ______________________ ]
4. , 19,8, - 19. (g = 10 /c2)
: [ ______________________ ]
. , . . .
) F = F = 0;
) F = F ≠ 0;
)F F;
D) F F ;
) F ≥ F;
: [ ______________________ ]
6. 5 / 12 /. .
: [ ___________________________________________________________ ]
7. 1 , , . 1 /2 . (g = 10 /c2)
: [ ______________________ ]
8. : =4-2t+2t2 . 1 4 .
: [ ______________________ ]
9. :
: [ ______________________ ]
10. .
: [ ______________________ ]
[ ______________________ ]
|
|
|
[ ______________________ ]
11. .
: [ ______________________ ]
[ ______________________ ]
[ ______________________ ]
:
| ||
| ,, | ||
| 2003 | ||
| 803 | ||
FA
| ||
  
| ||
| =9 | ||
p=-14 
| ||
| ||
| , ,. B B1 A A1 |
