Question: A solid bronze sphere (volume modulus of elasticity K = 14.5 ( 106 psi) is suddenly heated around its outer surface. The tendency of the

A solid bronze sphere (volume modulus of elasticity K = 14.5 ( 106 psi) is suddenly heated around its outer surface. The tendency of the heated part of the sphere to expand produces uniform tension in all directions at the center of the sphere.
If the stress at the center is 12,000 psi, what is the strain? Also, calculate the unit volume change e and the strain-energy density u at the center.

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