Odpowiedzi

2010-01-10T19:58:33+01:00
S= (gt^2)/2
t=√2s/g= √2*10m/10m/s^2= √2 sekund

s rzutu = 5m

s = v*t
v= s/t = 5m/√2s =(5√2)/2m/s
3 3 3