Older railroad tracks in the U.S. are made of 12-m-long
Chapter 12, Problem 30P(choose chapter or problem)
Problem 30P
Older railroad tracks in the U.S. are made of 12-m-long pieces of steel. When the tracks are laid, gaps are left between the sections to prevent buckling when the steel thermally expands. If a track is laid at 16°C, how large should the gaps be if the track is not to buckle when the temperature is as high as 50°C?
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