October 2018 2 645 Report
Air yang kalor jenisnya 4.200 J/Kg derajat celcius memerlukan kalor 840 kJ ketika suhunya dinaikkan dari 30 derajat celcius menjadi 70 derajat celcius.massa air yang digunakan adalah...
A.0,05 kg
B.0,5 kg
C.5,0 kg
D.50 kg
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