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◾ Materi : Kalor, Suhu dan Pemuaian◾ Sub materi : Kalor
◾ Mapel : Fisika
◾ Keyword : Kalor
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Diketahui :
m = 10 kg
c = 4200 J/kg°c
ΔT = 80 - 50 = 30°c
Ditanya :
Q = ?
Penyelesaian :
Q = mcΔT
Q = (10)(4200)(30)
Q = 1.260.000 J
Q = 1.260 kJ
∴ Jadi, kalor yg diperlukan adalah 1.260.000 J atau 1.260 kJ
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