Respostas

2014-03-05T13:06:24-03:00
Resposta

ΔT = 100 - 15
ΔT = 85ºC
α = 24.10⁻⁶
ΔL = 1,224mm

Formula

ΔL = Lo.α.ΔT
1,224 = Lo.24.10⁻⁶.85
1,224 = Lo.2040.10⁻⁶
Lo = 1,224 / 2040.10⁻⁶
Lo = 1,224 /0,00204
Lo = 600mm
6 3 6