QUESTION $1$

Distance $($m$)$

$q,1\mathrm{.}3.....2\mathrm{.}1q,3\mathrm{.}6q,4\mathrm{.}5q,5\mathrm{.}6q,6\mathrm{.}5q,7\mathrm{.}7q,8\mathrm{.}7q,9\mathrm{.}7$

$q,9.q,5.q,9...q,72.q,72.q,117.q,148.q,129$

Weight $($N$)$

$$

Find the COG of this item $($one decimal place, no space between units$)$