[tex]Dane:\\a = 0,5\frac{m}{s^{2}}\\\Delta v = 600\frac{m}{min} = \frac{600 \ m}{60 \ s} = 10\frac{m}{s}\\Szukane:\\t = ?\\\\a = \frac{\Delta v}{t} \ \ /\cdot t\\\\a\cdot t = \Delta v \ \ /:a\\\\t = \frac{\Delta v}{a}\\\\t = \frac{10\frac{m}{s}}{0,5\frac{m}{s^{2}}}\\\\\boxed{t = 20 \ s}[/tex]
