oblicz szybkosc, ktora uzyskala kulka po 1s,2s,3s spadajaca swobodnie  :]

[latex]dane:\t_1 = 1s\t_2 = 2s\t_3 = 3s\g = 10m/s^{2}\szukane:\v_1, v_2, v_3 = ?[/latex] [latex]v = g * t\\v_1 = g * t_1 = 10m/s^{2} * 1s = 10 m/s^{2}\\v_2 = g * t_2 = 10m/s^{2} * 2s = 20 m/s\\v_3 = g * t_3 = 10m/s^{2} * 3s = 30 m/s[/latex]