Resposta :
( 40 , 10 )
( 120 , 90 )
k = 90 - 10 / 120 - 40
k = 80 / 80
k = 1
1 = e - 10 / c - 40
c - 40 = e - 10
e = c - 30
30 = c - 30
c = 60 °C
------------------------------ > 60 °C
( 40 , 10 )
( 120 , 90 )
k = 90 - 10 / 120 - 40
k = 80 / 80
k = 1
1 = e - 10 / c - 40
c - 40 = e - 10
e = c - 30
30 = c - 30
c = 60 °C
------------------------------ > 60 °C