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Thermal expansion - lab report

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James Moore
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1. Presentaon and organizaona. Most materials expand when they heat up. ∆ l=α loΔT. α is coecient of linear expansion for the material. Length depends on loΔT.

2. Introducona. In this experiment, purpose is to measure α for copper, aluminum and steel. Three metal are isotropic which means that expansion is the same in all direcons. Measure the temperatures. α would be independent of the absolute temperature.

3. ProcedureApparatues : expansion tube apparatus, steam generator, elevaon block , digital mulmeter, steel, Cu, and Al tubes, contriners for condensaon

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