Column ABC has a uniform rectangular cross section with b = 12mm and d = 22 mm. The midpoint C of the column is braced so that it cannot move in the x-direction and carries a centric load P of magnitude 3.7 kN. Knowing that a factor of safety of 3.3 is required, determine the largest allowable length L. Use E = 200GPa.

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L L B b N P d C A }, y X L L B b N P d C A }, y X