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Super invar, an alloy of iron and nickel, is a strong material with a very low coefficient of thermal expansion (0.20× 10−6 c∘). a 1.9-m-long tabletop made of this alloy is used for sensitive laser measurements where extremely high tolerances are required. part ahow much will this alloy table expand along its length if the temperature increases 5.5 c∘? express your answer to two significant figures and include the appropriate units. part bhow much will a 1.8-m-long table made of steel expand along its length if the temperature increases5.5 c∘? express your answer to two significant figures and include the appropriate units.
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