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A solid circular steel rod 6mm in diameter and 500mm long is rigidly fastened to the end of a square brass bar 25 mm on

A solid circular steel rod 6mm in diameter and 500mm long is rigidly fastened to the end of a square brass bar 25 mm on the side and 400 mm long, the geometric axes of the bars lying along the same line. An axial tensile force of 5 kN is applied at each of the extreme ends. Determine the total elongation of the assembly. For steel, E = 200 GPa and for brass E = 90GPa.

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