\textbf{190.} The transverse wave function in a wire whose cross-sectional diameter is $2\,\text{mm}$ and its density is $A\,\dfrac{\text{g}}{\text{cm}^3}$ is, in SI units:
$$u_y = 0.02\sin(3t - 1.5x)$$
How many newtons is the tension in the wire? $(\pi = 3)$
\begin{itemize}
\item[(1)] $4.8$ \quad (2) $96$ \quad (3) $9.6$ \quad (4) $48$
\end{itemize}