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a=(Vk - Vo)/t = (6-2)/5 = 4/5 =0,8 m/s2
Zad 2
Vk=Vo+at = 8 + 2*5 = 8+10 = 18 m/s
Zad 3
a) v=at = 2*5 = 10 m/s
b) s=at²/2 = 2*5²/2 = 2*25/2 = 25 m