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L0 = 100 cm
T0 = 0C
T = 50 C
α = 0,000012
dit : ΔL ?
dijawab :
ΔL = α x L0 x ΔT
= 0,000012 x 100 x (50-0)
= 0,000012 X 100 X 50
= 0,06 CM
Panjang akhir = 100 + 0,06 = 100,06 cm
100cm.50c.0,000012
5000.0,000012
=0,60
delta te = 0,60