Physik s=0.5*a*t^2 oder v=a*t?

...komplette Frage anzeigen

1 Antwort

s = 0,5 · a · t² => t = √(2s/a)
v = a · t = a · √(2s/a) = √(2as)  
=> v² = 2as => a = v² / 2s = 900 / 90 m/s² = 10 m/s²

t = √(2s/a) = √(90/10) s = √9 s = 3 s
Thil0 05.12.2013, 11:19

Danke!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

0

Was möchtest Du wissen?