The wave function for a traveling wave on a taut string is $($in SI units$)$

$y(x,t)=0\mathrm{.}300sin(11t-5x+\frac{}{4})$

$($a$)$ What are the speed and direction of travel of the wave?

speed

$\frac{m}{s}$

direction

$($b$)$ What is the vertical position of an element of the string at $t=0,x=0\mathrm{.}126m?$

$m$

$($c$)$ What is the wavelength of the wave?

m

$($d$)$ What is the frequency of the wave?

$Hz$

$($e$)$ What is the maximum transverse speed of an element of the string?

$\frac{m}{s}$