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A steel wire having a radius of 2.0 mm, carrying a load of 4 kg, is hanging from a ceiling. Given that g = 3.1 π ms-2, What will be the tensile stress that would be developed

(A) 6.2 × 106 N m-2

(B) 5.2 × 106 N m-2

(C) 3.1 × 106 N m-2

(D) 4.8 × 106 N m-2

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(C) 3.1 × 106 N m-2

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