the solid floating prism shown in figure p$2\mathrm{.}8\mathrm{.}5$ has two components. determine Ya and Yb in terms of Y if Yb$=2$Ya$2\mathrm{.}8\mathrm{.}5.$ The solid floating prism shown in Figure P$2\mathrm{.}8\mathrm{.}5$ has two components. Determine ${}_A$ and ${}_B$ in terms of $$ if ${}_B=2{}_A.$

Figure P$2\mathrm{.}8\mathrm{.}5$