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A cylindrical specimen of a brass alloy having a length of 96 mm (3.780 in.) must elongate only 4.80 mm (0.1890 in.) when a tensile load of 90000 N (20230

lb;) is applied. Under these circumstances what must be the radius of the specimen? Consider this brass alloy to have the stress-strain behavior shown in the Animated Figure 6.12.

Fig: 1