Physics Quiz:
$\vec F_{b} = -\rho \vec g V$
$
\begin{align}
500 * 48 * 9.8 &= 1000 * 9.8 * (p*48) \\
\end{align}
$
$
\begin{align}
1000 * 9.8 * 48
\end{align}
$
$
\begin{align}
\frac{500}{1280}&=p \\
1280 * 9.8 * 48 * \frac{500}{1280}
\end{align}
$
$
\rho_{c} = \frac{115}{2.5*1*0.5} = 92
$
$ \begin{align}
\frac{\rho_{c}}{1000}
\end{align} $
$ \begin{align}
\frac{\rho_{c}}{13500}
\end{align} $