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Tp= 60

Tq= 30

lp=lq

Ap=Aq

Cp=2Cq

Tt=?

Jawab

(Ap.cp.ΔTp)/lp = (Aq.cq.ΔTq)lq

cp.ΔTp=cq.ΔTq (A dan l hilang karena sama)

2cq (60-Tt) = cq (Tt-30)

2(60-Tt) = Tt-30

120-2Tt = Tt-30

Tt= 50°C