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L0 = 150 cm
L= 150,375 cm
T0 = 0 C
T = 100 C
dit : α ?
dijwb :
α = ΔL/L0xΔT
= (150,375-150) / 150 x (100)
= 0,375/15.000
= 0,000025/C
ΔL = Lo.α.Δt
0,375 = 150 x α x 100
0,375 = 15000 α
α = 0,375 : 15000
α = 0,000025