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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dT = 31C -( -17 C) = 48 C Coeffiecient of Thermal Expansion Steel=C ~ 12 x10^-6 K Ref: Wiki: http://en.wikipedia.org/wiki/Coefficient...Expansion = C dT L E = (12 x10^-6 /K) (48 C) (518m) E = .298 m = 30 cm
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