Odpowiedź :
[tex]t = 12 \ s\\n = 60\\T = ?\\f = ?\\\\T = \frac{t}{n} = \frac{12 \ s}{60} = 0,2 \ s\\\\f = \frac{n}{t} = \frac{60}{12 \ s} = 5 \ Hz \ \ \ \ lub \ \ \ \ f = \frac{1}{T} = \frac{1}{0,2 \ s} = 5 \ Hz[/tex]
[tex]t = 12 \ s\\n = 60\\T = ?\\f = ?\\\\T = \frac{t}{n} = \frac{12 \ s}{60} = 0,2 \ s\\\\f = \frac{n}{t} = \frac{60}{12 \ s} = 5 \ Hz \ \ \ \ lub \ \ \ \ f = \frac{1}{T} = \frac{1}{0,2 \ s} = 5 \ Hz[/tex]