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- Pemuaian
Lo = 7,5 m
t1 = 25 ºC, t2 = 55 ºC, Δt = 30 ºC
α = 0,000025 /ºC = 2,5×10^-5 /ºC
ΔL = __ ?
ΔL = Lo × α × Δt
ΔL = (7,5) × (0,000025) × (30)
ΔL = 0,005625 m ← jawaban
Ok ?