Question

The tension in a wire clamped at both ends when temperature is decreased

Answer 1

An aluminium wire is clamped at each end and under zero tension at room temperature. Reducing the tempreture, which results in a decrease in the wire's equilibrium length, increase the tension in the wire. What strain ((ΔL/L)) rejults in a transverse wave speed of 100m/s? Take the cross-seectional area of the wire to be 5.00×10−6m2, the density to be 2.70×103 kg//m^(3),abdyoung'smodu−−s→be7.00xx10^(10)N//m^(2

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