[tex]Dane:\\v_{o} =2\frac{km}{h} = 2\cdot\frac{1000 \ m}{3600 \ s} = 0,(5)\frac{m}{s}\approx 0,56\frac{m}{s}\\t = 90 \ min = 90\cdot60 \ s = 5 \ 400 \ s\\a = 0,2\frac{m}{s^{2}}\\Szukane:\\s = ?\\\\Rozwiazanie\\\\s = v_{o}t + \frac{1}{2}at^{2}\\\\s = 5,56\frac{m}{s}\cdot5400 \ s+\frac{1}{2}\cdot0,2\frac{m}{s^{2}}\cdot(5400 \ s)^{2}\\\\s = 30024 \ m + 2916000 \ m\\\\s = 2 \ 946 \ 024 \ m[/tex]
