Physics

Problem

A sinusoidal voltage is given by

v(t)=V_{\mathrm m}\sin(\omega t)

with

\omega = 1.2\times10^{4}\,\text{rad s}^{-1}

. How many complete cycles does the voltage undergo in

5.0\,\text{ms}

? a)

19\text{ cycles}

6.0\text{ cycles}

9.5\text{ cycles}

12\text{ cycles}