A composite bar has two segments of equal length L each. Both segments

1.	A composite bar has two segments of equal length L each. Both segments are made of same material butcross sectional area of segment OB is twice that ofOA. The bar is kept on a smooth table with the joint atthe origin of the co-ordinate system attached to the table. Temperature of the composite bar is uniformlyraised by theta. Calculate the x co-ordinate of the joint if coefficient of linear thermal expansion for thematerial is alpha.
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A composite bar has two segments of equal length L each. Both segments are made of same material butcross sectional area of segment OB is twice that ofOA. The bar is kept on a smooth table with the joint atthe origin of the co-ordinate system attached to the table. Temperature of the composite bar is uniformlyraised by theta. Calculate the x co-ordinate of the joint if coefficient of linear thermal expansion for thematerial is alpha.

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I can't under STAND the QUESTIONS

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