Zadania z fizyki Dam naj i duzo punktow

[latex]6. \ a = 1 m/s^2\ t = 10 s \ \ V = at = 10 m/s \ \ 7. \ a = 0,3 m/s^2\ t = 20 s \ \ V = at = 6 m/s \ \ 8.\ a = 0,3 m/s^2\ t = 5 s \ \ V = at = 1,5 m/s \ \ 9. \ a = 0,1 m/s^2\ t = 0,5 min = 30 s \ \ V = at = 3 m/s \ \ 10. \ a = 10 m/s^2\ t = 3 min = 180 s \ \ V = at = 1800 m/s =1,8 km/s \ \ 11. \ a = 1 m/s^2\ v = 15 m/s \ \ t = frac{v}{a} = 15 s \ \ 12. \ a = 0,3 m/s^2\ v = 54 km/h = 15 m/s \ \ t = frac{v}{a} = 50 s \ \ [/latex] [latex]13. \ a = 2,5 m/s^2\ v = 72 km/h = 20 m/s \ \ t = frac{v}{a} = 8 s \ \ 14. \ a = 0,1 m/s^2\ v = 90 km/h = 25 m/s \ \ t = frac{v}{a} = 250 s \ \ 15. \ a = 10 m/s^2\ v = 18 km/h = 5 m/s \ \ t = frac{v}{a} = 0,5 s \ \ 16. \ a = 1 m/s^2\ t = 10 s\ \ s = frac{at^2}{2} = 50 m \ \ 17. \ a = 0,3 m/s^2\ t = 20 s\ \ s = frac{at^2}{2} = 60 m \ \ [/latex] [latex]18. \ a = 3 m/s^2\ t = 5 s\ \ s = frac{at^2}{2} = 37,5 m \ \ 19. \ a = 0,1 m/s^2\ t = 0,5 min = 30 s\ \ s = frac{at^2}{2} = 45 m \ \ 20. \ a = 10 m/s^2\ t = 3 min = 180 s\ \ s = frac{at^2}{2} = 162000 m = 162 km \ \ [/latex]

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