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mx = 300 g
tx = 10'c
my = 600 g
ty = 40'c
c = 1 kal/kg'c
Ditanya: tC....?
jawab
tC = (mx.tx + my.ty)/(mx+my)
tC = (300.10 + 600.40)/(300+600)
tC = (3000+24000)/(900)
tC = 27000/900
tC = 30'c
suhu campurannya 30'c