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Two steel rods &an alluminium rod of equal length are joined rigidlysuch that alluminium rod is above steel&another steel rod is above alluminium rod.All the rods are in a state of zero tension at 0oC.Find the length of the system when the temperature is raised to .coeffs. of linear expansions of alluminium&steel are a and s respectively.youngs modulus are Ya and Ys.

Kevin Nash , 10 Years ago
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