Wooden posts used for a retaining wall have a diameter of 3 in. If the soil pressure along a post varies uniformly from zero at the top \(A\) to a maximum of \(300 \mathrm{lb} / \mathrm{ft}\) at the bottom \(B\), determine the slope and displacement at the top of the post. Take \(E_{\mathrm{w}}=1.6\left(10^{3}\right) \mathrm{ksi}\).

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6 ft A B 300 lb/ft