Odpowiedzi

2010-02-16T14:52:44+01:00
Witaj
dane:v=800m/s, l=0,72m, vo=0
szukane: t, a
t=l/v = 0,72m/800m/s = 9*10^-4s
a = [v - vo]/t = 800m/s / 9*10^-4s = 888888,9m/s2 =888,9km/s2
................pozdrawiam