To what temperature should the plate be cooled

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Reference no: EM13300945

A steel ruler is calibrated to read true at 21.4 °C. A draftsman uses the ruler at 37.6 °C to draw a line on a 37.6 °C copper plate. As indicated on the warm ruler, the length of the line is 0.683 m. To what temperature should the plate be cooled, such that the length of the line truly becomes 0.683 m?

Reference no: EM13300945

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