A wave is described by $y(x,t)=0\mathrm{.}1sin(3x-10t),$ where $x$ is in meters, $y$ is in centimeters and $t$ is in seconds. The angular frequency is:

$0\mathrm{.}10ra\frac{d}{s}$

$20ra\frac{d}{s}$

$10ra\frac{d}{s}$

$3\mathrm{.}0ra\frac{d}{s}$

$10ra\frac{d}{s}$