[tex]dane:\\v_{o} = 18\frac{m}{s}\\t = 15 \ s\\v = 0 \frac{m}{s}\\szukane:\\a = ?\\s = ?\\\\Rozwiazanie\\\\a = \frac{\Delta v}{t} = \frac{v_{o}-v}{t} = \frac{v_{o}}{t}\\\\a = \frac{18\frac{m}{s}}{15 \ s}\\\\\underline{a = 1,2\frac{m}{s^{2}}} \ - \ opoznienie\\\\\\s = v_{o}t - \frac{1}{2}at^{2}\\\\s = 18\frac{m}{s}\cdot15 \ s - \frac{1}{2}\cdot1,2\frac{m}{s^{2}}\cdot(15 \ s)^{2}=270 \ m - 135 \ m\\\\\underline{s = 135 \ m} \ - \ droga \ hamowania[/tex]
