Problem $4\mathrm{.}61$

Review

The bracket is held to the wall using three $A-36$ steel bolts at $B,C,$ and $D.$ Each bolt has a diameter of $0\mathrm{.}4$ in$.$ and an unstretched length of $2$ in$.$

Part A Also, assume that the wall and bracket are rigid. A greatly exaggerated deformation of the bolts is shown in the figure.

Express your answer to three significant figures and include appropriate units.

$s=$

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