Odpowiedzi

2010-03-25T13:20:27+01:00
Ek = mV²/2
Ep = mgh
m*16²m²/s²/2 = m*10m/s²*hmax
hmax = 12,8 m
1/2 hmax = 6,4

mgh = mV²/2
V² = 128 m²/s²
V = 11,31 m/s