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Verified answer
Diket:m (massa) = 2kg
c (kalor jenis) = 4200 J/kg
delta t (perubahan suhu) = 60-10 = 50
ditanya= Q(kalor yg diperlukan)
Jawab=
karena terjadi perubahan suhu maka rumusnya:
Q = m. c. delta t
Q = 2 x 4200J/kg x 50
Q = 420.000 J/kg
jadi jawabannya d.420.000 J/kg
semoga membantu
∆t= 60°C -10°C= 50°C
c= 4200 j/kg
m= 2 kg
maka:
Q= mc∆t
Q= 2. 4200 j/kg. 50
Q= 8400 j/kg. 50
Q= 420000 j/kg ----- D
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