[tex]dane:\\v_{o} = 35\frac{m}{s}\\a = 2,5\frac{m}{s^{2}}\\v = 25\frac{m}{s}\\szukane:\\t = ?\\\\Rozwiazanie\\\\a = \frac{\Delta v}{t}\\\\a = \frac{v_{o}-v}{t} \ \ \rightarrow \ \ t = \frac{v_{o}-v}{a}\\\\t = \frac{35m/s - 25m/s}{2,5m/s^{2}} = \frac{10m/s}{2,5m/s^{2}}\\\\t = 4 \ s[/tex]
