[tex]dane:\\v_{o} = 0\\t = 15 \ s\\v = 36\frac{km}{h} = 36\cdot\frac{1000 \ m}{3600 \ s} = 10\frac{m}{s}\\szukane:\\a = ?\\\\Rozwiazanie\\\\a = \frac{\Delta v}{t} = \frac{v-v_{o}}{t} = \frac{v}{t}\\\\a = \frac{10\frac{m}{s}}{15 \ s} = 0,(6) \ \frac{m}{s^{2}} = 0,67\frac{m}{s^{2}}[/tex]
