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Δt= 100-0= 100°C
α= 0,000012 /°C
Lo= 50 cm
Dit:
Lt=..?
Penye:
Lt= Lo.(1+α×Δt)
Lt= 50×(1+0,000012×100)
Lt= 50×(1+0,0012)
Lt= 50×1,0012
Lt= 50,06 cm
α = 0,000012 /°C
Lo = 50 cm ⇒ 0,5 m
Ditanya = Lt..?
Jawb = Lt = Lo (1 + α × Δt)
= 0,5 (1+ 0,000012 × 100)
= 0,5 (1 + 0,0012)
= 0,5 × 1,0012
= 0.5006 m ⇒ 50,06 cm