# Fundamental Physics/Motion/Sinusoidal wave

 Wave oscillation equation ${\displaystyle {\frac {d^{2}}{dt^{2}}}f(t)=-\omega f(t)}$ Wave function ${\displaystyle f(t)=ASin\omega t}$ Wavelength ${\displaystyle \lambda }$ Wave's speed ${\displaystyle {\frac {\lambda }{t}}}$ Wave's angular speed ${\displaystyle \omega =\lambda f}$ Wave's frequency ${\displaystyle f={\frac {1}{t}}}$
 Configuration LC in series Coil of N circular loops Sinusoidal wave 2 dimensional sinusoidal wave 3 dimensional sinusoidal wave Wave oscillation equation ${\displaystyle {\frac {d^{2}}{dt^{2}}}f(t)=-\omega f(t)}$ ${\displaystyle \nabla ^{2}E(t)=-\omega E(t)}$${\displaystyle \nabla ^{2}B(t)=-\omega B(t)}$ Wave function ${\displaystyle f(t)=ASin\omega t}$ ${\displaystyle E(t)=ASin\omega t}$${\displaystyle B(t)=ASin\omega t}$ Angular speed ${\displaystyle \omega ={\sqrt {\frac {1}{T}}}}$ ${\displaystyle \omega ={\sqrt {\frac {1}{T}}}}$ Time constant ${\displaystyle T=LC}$ ${\displaystyle T=\mu \epsilon }$