In Figure $(a),$ a rectangular block is gradually pushed face$-$down into a liquid. The block has height $d$; on the bottom and top the face area is $A=5\mathrm{.}25c{m}^2.$ Figure $($b$)$ gives the apparent weight $W_{\text{a}\text{p}\text{p}}$ of the block as a function of the depth $h$ of its lower face. The scale on the vertical axis is set by $W_s=0\mathrm{.}240N.$ What is the density $($in $\frac{g}{c}{m}^3)$ of the liquid?

$($b$)$

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