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Tc = ((m1 x T1) + (m2 x T2)) / (m1 + m2)
Tc = ((2 x 95) + (18 x 30)) / (2 + 18)
Tc = (190 + 540) / 20
Tc = 730 / 20
Tc = 36,5 °C
Jadi, suhu akhir adalah 36,5°C.
Moga membantu.
m1 x c x (95 - tc) = m2 x c x (tc - 30) .... bagi dengan c (sesama air)
m1 x (95 - tc) = m2 x (tc - 30)
2 x (95 - tc) = 18 x (tc - 30) ...kedua ruas bagi dengan 2
95 - tc = 9 x (tc - 30)
95 - tc = 9.tc - 270
- tc - 9.tc = 270 - 95
- 10.tc = - 365
tc =
tc =