[tex]dane:\\t = 100 \ ns = 100\cdot10^{-9} \ s = 10^{2}\cdot10^{-9} \ s = 10^{-7} \ s\\n = 250\\r = 10 \ cm = 0,1 \ m\\szukane:\\f = ?\\T = ?\\v = ?\\\omega = ?\\\\Rozwiazanie\\\\f = \frac{n}{t} = \frac{250}{10^{-7} \ s} = 250\cdot10^{7} \ Hz = 2,5\cdot10^{9} \ Hz\\\\T = \frac{1}{2,5\cdot10^{9}} \ s =0,4\cdot10^{-9} \ s = 4\cdot10^{-10} \ s\\\\v = 2\pi rf = 2\cdot3,14\cdot0,1 \ m\cdot2,5\cdot10^{9} \ Hz = 1,57\cdot10^{10} \ \frac{m}{s}[/tex]
[tex]\omega = 2\pi f = 2\cdot3,14\cdot2,5\cdot10^{9} \ Hz = 15,7\cdot10^{9} \ \frac{rad}{s} = 1,57\cdot10^{10} \ \frac{rad}{s}[/tex]
