What is the maximum load that may be applied to a specimen

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For a brass alloy, the stress at which plastic deformation begins is 345 MPa (50,000 psi), and the modulus of elasticity is 103 GPa (15.0x106 psi).

(a) What is the maximum load that may be applied to a specimen with a cross-sectional area of 130 mm2 (0.2 in.2) without plastic deformation?

(b) If the original specimen length is 76 mm (3.0 in.), what is the maximum length to which it may be stretched without causing plastic deformation?

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What is the maximum load that may be applied to a specimen : for a brass alloy the stress at which plastic deformation begins is 345 mpa 50000 psi and the modulus of elasticity is

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