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Lo = 600 cm²
ΔT = 100 C
ΔL = 1,32 cm²
dit : α ?
dijawab :
β = ΔL / LoxΔT
= 1,32 / 600x 100
= 1,32 / 60.000
= 0,000022 /C
jadi kofisien muai panjang (α) adalah
α = β/2
= 0,000022 / 2
= 0,000011/C