Resolvamm por favorrrr :)
Anexos:
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Soluções para a tarefa
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m1.c.ΔT + m2.c.ΔT = 0
1/4 . c (tf - 25) + 3/4 . c . (tf - 5) = 0
1/4.c.tf - 6,25.c + 3/4.c.tf - 3,75.c
4/4.c.tf = 23,4.c (/c)
4/4.tf = 23,4
tf = 23,4 ºC
1/4 . c (tf - 25) + 3/4 . c . (tf - 5) = 0
1/4.c.tf - 6,25.c + 3/4.c.tf - 3,75.c
4/4.c.tf = 23,4.c (/c)
4/4.tf = 23,4
tf = 23,4 ºC
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