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A concrete railroad tie has a length 2.45m on a hot sunny day having temperature 35∘C. What is the length of the railroad tie in the winter when the temperature dips to −25∘C? (Take the coefficient of linear expension of railroad as 12×10−5/∘C) |
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Answer» A concrete railroad tie has a length 2.45m on a hot sunny day having temperature 35∘C. What is the length of the railroad tie in the winter when the temperature dips to −25∘C? (Take the coefficient of linear expension of railroad as 12×10−5/∘C) |
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