[tex]v_{o} = 0\\t = 6 \ s\\v = 72\frac{km}{h} = 72:3,6\frac{m}{s} = 20\frac{m}{s}\\Szukane:\\s = ?\\\\Rozwiazanie\\\\s = \frac{1}{2}at^{2}\\\\ale \ \ a = \frac{v}{t}\\\\s = \frac{1}{2}\cdot\frac{v}{t}\cdot t^{2}\\\\\underline{s = \frac{1}{2}v\cdot t}\\\\s = \frac{1}{2}\cdot20\frac{m}{s}\cdot6 \ s\\\\\boxed{s = 60 \ m}[/tex]
