Use the transfer function $G(s)$ given below to calculate the steady$-$state response $x(t)=xsin(0\mathrm{.}01t+)$ meter to the harmonic excitation $f(t)=20sin(0\mathrm{.}01t)$ Newton. Here $t$ is in second.

$G(s)=\frac{1}{s^2+20s+40}$

$(1)x=?($in meter$)$

$(2)=?($rad$)$