Odpowiedzi

2009-11-27T20:37:55+01:00
H = v0t + gt²/2 => v0 = (h-gt²/2 )/t
v0 = (26m - 10m/s² * (2s)²/2) / 2s = 14m/s
2009-11-27T20:49:55+01:00
Wzor to chyba znasz ;]
v0 = (26m - 10m/s² * (2s)²/2) / 2s
v0=14 m/s