--> 7. 10 .
!
!

 


 

>> . . 10 .

8.

 


7

2. 2.

3. 6,6 1021.

4. . , .

. , . , , .

5. 0 . . , , , . , .

6.

9. m = 0,05 .

10. 88%.

11. 78 .

12. 3,36 105 /.

13. 5,6 .

14. t = 0 .

15. υ = 2460 /.

 

 

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