[tex]Dane:\\\omega = 7,5\frac{rad}{s}\\r = 40 \ cm = 0,4 \ m\\Szukane:\\a = ?\\\\Rozwiazanie\\\\v = \omega\cdot r\\\\a = \frac{v^{2}}{r}\\\\a = \frac{(\omega \cdot r)^{2}}{r}\\\\\underline{a = \omega^{2}\cdot r}\\\\a = (7,5\frac{rad}{s})^{2}\cdot0,4 \ m\\\\\boxed{a = 22,5\frac{m}{s^{2}}}[/tex]
