$3.$ Graph mgh $($vertical axis$)$ versus $1/($t $^2)($horizontal axis$)$ for the rotatable table alone, and find the slope of the linear trendline. Set slope equal to $8$h $^2*$ l $/($D $^2)$ and calculate I. Call this value I table The units of I will be kg $*$ m $^2$ Do not panic if the values of I in this step and the following steps are small; the units for I are kg $*$ m $^2$ and both the kg and square meter are large relative to the quantities we are measuring in this lab. $4.$ Repeat calculation step #$3$ for the disk, and call the moment of inertia found from the slope I table$+$disk $.$ Find the y$-$intercept, and call this W$\_\{$F$\}($table$+$disk$).$ The units for W$\_\{$F$\}$ will be Joules, J$.5.$ Repeat calculation step #$3$ for the ring, and call the moment of inertia found from the slope I table$+$rlng Find the y$-$intercept, and call this W$\_\{$F$\}($table$+$ring$\frac{D^2}{8}{h}^{2}0\mathrm{.}000170$

Rotatable table only.

$\backslash$table$[[m(g),\frac{?}{\text{b}\text{a}\text{r}}(t),\frac{1}{t^2}$