Resposta :
Q1 + Q2 = 0
Q=m*c*/\t
1000 * 1 * (tf - 100) + 2000 * 0,6 * (tf - 10) = 0
1000tf - 100.000 + 1200*(tf - 10) = 0
1000tf - 100.000 + 1200tf - 12.000 = 0
2.200tf - 112.000 = 0
tf = 112.000/2200
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tf = 50,96 ~= 51°C
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Q=m*c*/\t
1000 * 1 * (tf - 100) + 2000 * 0,6 * (tf - 10) = 0
1000tf - 100.000 + 1200*(tf - 10) = 0
1000tf - 100.000 + 1200tf - 12.000 = 0
2.200tf - 112.000 = 0
tf = 112.000/2200
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tf = 50,96 ~= 51°C
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