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A stairwell is supported by two circular steel rods at one end. The other end supported above. The two steel rods are subjected to a total load of 12,800lbs. The rods are 24 ft long and E=30*10^6 psi. Select the rod based on the following specs. The rod deformation should not exceed 0.375 inches and the allowable tensile stress is 10,844 psi?

I calculated reqd diameter of sqrt 1.64in^2/0.7854 = 1.45in diameter with choice of 2inch rod. Am I going right or do I need to recheck

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