The rigid bars ABC and CD are supported by pins at A and D and by a steel rod at B. There is a roller connection between the bars at C. Compute the vertical displacement (in mm) of point C caused by the 50-kN load. Express your answer to two decimal places. Do not include the unit. * E = 200 GPa A = 300 mm2 L = 3 m | 50 kN 2 m 2 m A B D C 1.5 m 3 m

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A person by the name of Huebscher developed a relationship between theequivalent size of round ducts and rectangular ducts according to                  D = diameter of equivalent circular duct (mm)a = dimension of one side of the rectangular duct (mm)b = the other dimension of the rectangular duct (mm)Using Excel, create a table that shows the relationship between the circular and the rectangular duct dimensions, similar to the one shown in the accompanying table.