October 2018 2 23 Report
Besi bermassa 2 kg dipanaskan dari sibuk 20°C sampai 70°C.Jika kalor jenis besi 460 J/kg•°C,besarnya kalor yang diperlukan adalah ?

a. 4.600 Joule
b. 16.100 Joule
c. 46.000 Joule
d. 197.000 Joule

Tolong dibantu ya :)
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