Physics, 28.06.2019 04:00, gerardogonzale362

The bar has a cross-sectional area a, length l, modulus of elasticity e, and coefficient of thermal expansion α. the temperature of the bar changes uniformly along its length from ta at a to tb at b so that at any point x along the bar t=ta + x(tb - ta)/ l. determine the force the bar exerts on the rigid walls. initially no axial force is in the bar and the bar has a temperature of t

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The bar has a cross-sectional area a, length l, modulus of elasticity e, and coefficient of thermal...