• Частота \((\text{Гц})\):
$$\nu=\frac{1}{T}$$ $${\nu}=\frac{N}{t}$$ $$\upsilon=2 \cdot{\pi}\cdot r \cdot{\nu} \Rightarrow {\nu}=\frac{\upsilon}{2 \cdot{\pi}\cdot r}$$ $$a=4\cdot{\pi}^{2}\cdot r \cdot{\nu}^{2} \Rightarrow {\nu}=\sqrt{\frac{a}{4\cdot{\pi}^{2}\cdot r}}$$ $$\omega=2 \cdot {\pi}\cdot{\nu} \Rightarrow \nu=\frac{\omega}{2 \cdot {\pi}}$$• Частота колебаний \((\text{Гц})\):
$$\upsilon=\lambda \cdot \nu \Rightarrow \nu=\frac{\upsilon}{\lambda}$$