Respostas

2013-07-30T14:02:09-03:00
ΔS = So * alpha * Δt

ΔS = 105 * 2,4*10^-5 * 50

ΔS = 12600 * 10^-5

/\S = 0,126m² de variação


ΔS = S + So

S = So - ΔS

S = 105 - 0,126

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S = 104,874 m²
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