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Lo= 3 m
Δt= 60-20= 40 °C
α= 0,000011 /°C
Dit:
ΔL=...?
Penye:
ΔL= Lo.α.Δt
ΔL= 3×0,000011×40
ΔL= 0,00132 m
= 3 * 0.000011 * (60-20)
= 0.000033 * 40
= 0.00132 m
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