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A prismatic bar with length L = 6 m and a circular cross section with diameter D = 0.02 m is subjected to 20 kN compressive forces at its ends.

A prismatic bar with length L = 6 m and a circular cross section with diameter D = 0.02 m is subjected to
20 kN compressive forces at its ends. The length and diameter of the deformed bar are measured and determined to be L' = 5.940 m and D' = 0.02006 m. The bar has no deflection.
What are the modulus of elasticity and Poisson's ratio of the material?

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