Odpowiedzi

2009-11-14T14:55:30+01:00
A= 0,5m/s2
Vk= 120km/h
t= ?

t= Vk/a = 240sek
2009-11-14T14:55:19+01:00
A =v/t -> t=v/a
t = 120km/h / 0,5m/s^2 = 33,6m/s / 0,5m/s^2 = 67,2s