\textbf{190.} In uniform simple harmonic motion along a straight path, the relationship between velocity and position in SI units is $V^2 = 2500\,Z^2 - 2500\,X^2$. Which of the following quantities is $Z$?
\begin{itemize}
\item[(1)] amplitude
\item[(2)] damping
\item[(3)] acceleration
\item[(4)] angular amplitude
\end{itemize}
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\textbf{Workspace}
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