Odpowiedzi

2009-11-13T22:21:47+01:00
Vo = 10 m/s
t = ?
g = 10 m/s²
z = 2h
t = √2h/g = √Z/g
Z = Vo*t = Vo * √Z/g
h = Vo²/2g = 100 m²/s²/20m/s² = 5 m
Z = 10 m

t = √10m/10m/s²
t=1s
2 3 2