A rectangular structural steel eyebar . thick and 24 ft long between centers of end pins i...

A rectangular structural steel eyebar . thick and 24 ft long between centers of end pins is subjected to an axial tensile load of 50,000 lb. If this bar must not elongate more than 0.20 in., compute

(a) the required width of bar

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(b) the tensile stress developed at maximum elongation, assuming the required width is provided