Энергия. Кинетическая и потенциальная энергия. Вывод...

Click here to load reader

Post on 26-Jul-2015

89 views

Category:

Education

1 download

Embed Size (px)

TRANSCRIPT

1. . . . . - 2. 3. 100 , 1,5 / . , 0,03 . 4. 240 , 1 / 80 . ? 5. 5 0,6 3 . 2500 /3 . . 6. , , . 7. : E : 8. , . ( ) () 9. - . 2 2 m EK = 10. - . mghE = 11. . 2 2 kx = 12. . , , , . 13. h E=max E=0 =0 =max = 14. A=-(E-E0) (1) A=-(E-E0) (2) E0 + E0= E+E E=E+E 15. (1821-1824) 16. 1. h, 2h? . : h : ?0 : h 2h + 17. + ghghhmg m mgh 2 2 2 2 2 0 2 0 =+=+ ghgh 2 2 0 2 0 == 18. 2. 100 8 100 . , 10/, 0. h L 19. : m=100 h=8 L=100 /10= 00 = : Fc-? : + 2 2 2 22 mmgh lFlF m mgh cc =+= l ghm Fc 2 )2( 2 = HFc 30 200 6000 1002 )1008102(100 == =