191- The profile of a transverse wave in a string at the moment $t = 0$ is according to the figure below. In the time interval $0 \leq t \leq \dfrac{1}{80}$ s, how many centimeters is the displacement of point B equal to the displacement of point A?
\begin{minipage}{0.45\textwidth} [Figure: A transverse wave profile showing y(cm) vs x(cm), with velocity $V = 8$ m/s to the right. Point A is at approximately $y = -1$ and point B is at approximately $y = \sqrt{3}$, with the wave showing one full cycle up to $x = 30$ cm.] \end{minipage} \begin{minipage}{0.45\textwidth} \begin{flushright} (1) $\dfrac{3}{4}$ (2) $\dfrac{\sqrt{3}}{2}$ (3) $1$ (4) $\sqrt{3}$ \end{flushright} \end{minipage}
\textbf{191-} The profile of a transverse wave in a string at the moment $t = 0$ is according to the figure below. In the time interval $0 \leq t \leq \dfrac{1}{80}$ s, how many centimeters is the displacement of point B equal to the displacement of point A?
\medskip
\begin{minipage}{0.45\textwidth}
\textit{[Figure: A transverse wave profile showing y(cm) vs x(cm), with velocity $V = 8$ m/s to the right. Point A is at approximately $y = -1$ and point B is at approximately $y = \sqrt{3}$, with the wave showing one full cycle up to $x = 30$ cm.]}
\end{minipage}
\hfill
\begin{minipage}{0.45\textwidth}
\begin{flushright}
(1) $\dfrac{3}{4}$
(2) $\dfrac{\sqrt{3}}{2}$
(3) $1$
(4) $\sqrt{3}$
\end{flushright}
\end{minipage}
\medskip