Physics
Physics, 05.10.2019 01:30, dragongacha777

Super invar, an alloy of iron and nickel, is a strong material with a very low coefficient of thermal expansion (0.20x10^-6/°c). a 1.6-m-long tabletop made of this alloy is used for sensitive laser measurements where extremely high tolerance are required. how much will this alloy table expand along expand along its length if the temperature increase 5°c?

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