Odpowiedź :
[tex]t = 5 \ min = 5\cdot60 \ s = 300 \ s\\n = 600\\f = ?\\\\f = \frac{n}{t}\\\\f = \frac{600}{300 \ s} = 2 \ Hz[/tex]
[tex]t = 5 \ min = 5\cdot60 \ s = 300 \ s\\n = 600\\f = ?\\\\f = \frac{n}{t}\\\\f = \frac{600}{300 \ s} = 2 \ Hz[/tex]