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=1.4200.(37-27)
=4200.10
=42000
maka hasilnya 42000 joule
m:1 kg
t1:27°C
t2:37°C
c:4200j/kg°C
tanya:Q ?J
jawab:
Q=m×c×t2-t1
=1kg×4200j/kg°c×37°c-27°c
=1kg×4200×10°c
=1kg×42000
=42000 J