일반물리학 1 — Temperature, Heat, and the First Law of Thermodynamics: Problem 62

62 When the temperature of a copper coin is raised by 100 C°, its diameter increases by 0.20%. To two significant figures, give the percent increase in (a) the area of a face, (b) the thickness, (c) the volume, and (d) the mass of the coin. (e) Calculate the coefficient of linear expansion of the coin.