Respostas

2014-03-05T11:47:11-03:00
Resposta

Lo = 40m
ΔT = 34 - 24
ΔT = 10ºC
α = 0,000011 = 1,1.10⁻⁵

L = Lo . (1 + α.ΔT)
L = 40.(1 + 1,1.10⁻⁵.10)
L = 40 + 44.10⁻⁴
L = 40 + 0,0044
L = 40,0044m
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