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= 440000 Joule = 440 kJ
Maaf kalo salah!
c = 2.200 J/Kg°C
ΔT = 60 - 20
= 40 °C
Dit : Q lepas = ....?
Jwb : Q = m c ΔT
Q = 5 x 2.200 x 40
Q = 440.000 J
Q = 440 Kj