일반물리학 1 · Temperature, Heat, and the First Law of Thermodynamics · Problem 48
일반물리학 1 — Temperature, Heat, and the First Law of Thermodynamics: Problem 48
48 At 20°C, a rod is exactly 20.05 cm long on a steel ruler. Both are placed in an oven at 250°C, where the rod now measures 20.11 cm on the same ruler. What is the coefficient of linear expansion for the material of which the rod is made?
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