The New River Gorge bridge in West Virginia is a 518-m-long steel arch. How much

Physics
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The New River Gorge bridge in West Virginia is a 518-m-long steel arch. How much will its length change between temperature extremes 

−20°C
 and 
34°C?
Jun 20th, 2015

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Jun 20th, 2015

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) = 54

e = (518)(11.0 x 10^-6)(54) .. .. ►e = 0.308 m


Jun 20th, 2015

wrong


Jun 20th, 2015

in cm answer shall be 30.76cm

Jun 20th, 2015

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Jun 22nd, 2015

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