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1219200/ darjat c
lo = 30 cm
α = 0,000012/derajat celcius
T2 = 80 C
Dit lt ?
jawab
α =
lt - lo = α . lo . Δt
lt = 0,000012 . 30 .(80-20) + 30
= 0,0216 + 30
= 30,0216 cm