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Two brass rods AB and BC, each of uniform diameter, will be brazed together at B to form a non uniform rod of total length 100 m that will be suspended from a support at A as shown

Mechanical Engineering

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Two brass rods AB and BC, each of uniform diameter, will be brazed together at B to form a non uniform rod of total length 100 m that will be suspended from a support at A as shown. Knowing that the density of brass is 8470 kg/m³, determine (a) the length of rod AB for which the maximum normal stress in ABC is minimum, (b) the corresponding value of the maximum normal stress.