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ΔT = 35°-30° = 5°C
A₀ (luas) = 8. 5 = 40 cm²
β (koefisien muai luas) = 2. α = 2. 0,000014 = 0,000028/°C
ditanyakan :
pertambahan luas (ΔA)
rumus mencari pertambahan luas:
ΔL = A⁰. β. ΔT
ΔL = (40). (0,000028). (5)
ΔL = 0,0056 cm²
semoga membantu. semangat belajar fisika :)