Jawabanmu

Jawaban paling cerdas!
2014-04-13T12:15:25+07:00
Diketahui:
m1 = 60 kg, t1 = 82°C
m2 = 300 kg, t2 = 10°C

Ditanya:
ta…..?

Jawab:
Q lepas = Q serap
m1 . c . ∆t = m2 . c . ∆t
60 . (t1-ta) = 300 . (ta- t2)
(82-ta) = 5 (ta-10)
82 – ta = 5 ta – 50
6ta = 132
ta = 22°C
5 4 5