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Lo = 200 cm
Δt = 100 - 0 = 100 °C
ΔL = 200,24 - 200 = 0,24 cm
Dit:
α....?
Dik :
α = ΔL / ( Lo x Δt )
α = 0,24 / ( 200 × 100 )
α = 0,24 / 20000
α = 0,000012 /°C
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