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Diket:
m1 = 10 kg
m2 = 15 kg
ΔT1 = 100 − t
ΔT2 = t − 20
Suhu akhir = t = ......?
Qlepas = Qterima
m1c1ΔT1 = m2c2ΔT2
(10)(1) (80 − t) = (15)(1)(t − 20)
(10)(80 − t) = (15)(t − 20)
800 − 10t = 15t − 300
25t = 1100
t = 44 derajat celcius