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Lo= 80cm
α= 0,000012/°C
Δt= 200-0= 200°C
Dit:
Lt=..?
Penye:
Lt= Lo.(1+α×Δt)
Lt= 80×(1+0,000012×200)
Lt= 80×(1+0,0024)
Lt= 80×1,0024
Lt= 80,192cm
α = 0,000012/°C
Δt = 200 - 0 = 200°C
Ditanya =Lt..?
Jawab = Lt = Lo (1 + α × Δt)
= 80 (1 + 0,000012 × 200)
= 80 (1 + 0,0024)
= 80 × 1,0024
= 80,192cm