The New River Gorge bridge in West Virginia is a 518-m-long steel arch. How much will its length change between temperature extremes
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The equation for linear expansion (e) is .. e = Lo.α.∆θ .. (in m) α = coef.of linear expansion = 11 x 10^-6 Lo = original length in m = 518 m∆θ = temperature change in ºC = 34-(-20) = 54e = (518)(11.0 x 10^-6)(54) .. .. ►e = 0.308 m
in cm answer shall be 30.76cm
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