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Verified answer
Q=m.c.delta T=0,5.4200.(80-30)
=0,5.4200.(50)
=105.000
semoga bermanfaat....
◾ Sub materi : Kalor
◾ Mapel : Fisika
Diketahui :
m = 500 gram = 0,5 kg
ΔT = 80-30 = 50°c
c = 4200 J/kg°c
Ditanya :
Q = ?
Penyelesaian :
Q = mcΔT
Q = 0,5(4200)(50)
Q = 105.000 Joule
Q = 105.000 x 0,24 kalori
Q = 25.200 kalori
Jadi, kalor yg diperlukan adalah 25.200 kalori
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-vin