Odpowiedzi

2010-03-29T21:14:54+02:00
V = 40m/s
h = ?
V = g*t /:g
t = V/g
t = 40m/s : 10m/s²
t = 4s
h = gt²/2
h = 10m/s² * (4s)² : 2
h = 10m/s² * 16s² : 2
h = 160m : 2
h = 80m
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