Respostas

2013-10-21T16:40:44-02:00
Q_agua + Q_cobre = 0

100*1*(tf-15) + 400*0,094*(tf-95) = 0

100tf - 1500 + 37,6tf - 3572 = 0

137,6tf - 5072 = 0

137,6tf = 5072

tf = 5072/137,6

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tf = 36,86 ~= 37°C
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