At room temperature 20c the area of a hole in a sheet of, Ask an Expert

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At room temperature (20C) the area of a hole in a sheet of material is 5.505 cm2. When heated to 830C the area increases by 29.0 mm2.

(a) What is the thermal coefficient of linear expansion for the material?

(b) If the temperature had decreased to -76 Fahrenheit, what would be the area of the hole?

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