a rectangular scow $10$m wide, $20$m long and $4\mathrm{.}6$ high has a drsft in sea water$($sg$=1\mathrm{.}025)$ of $3\mathrm{.}07$m$.$ its center of gravity is $3\mathrm{.}45$m above the bottom of the scow. determine the following. D$=3\mathrm{.}07$m $3\mathrm{.}4$ B$=10$m$$