[tex]dane:\\n = 2\\t = 5 \ s\\szukane:\\T = ?\\f = ?[/tex]
Okres drgań T:
[tex]T = \frac{t}{n}\\\\T = \frac{5 \ s}{2}\\\\T = 2,5 \ s[/tex]
Częstotliwość drgań f:
[tex]f = \frac{n}{t}\\\\f = \frac{2}{5 \ s}\\\\f = 0,4 \ Hz\\\\Lub\\\\f = \frac{1}{T}\\\\f = \frac{1}{2,5 \ s}=0,4 \ Hz[/tex]
