October 2018 1 44 Report
1.Air dingin bersuhu 20°C dengan massa 2000 gr dicampur dengan air panas bersuhu 90°C menghasilkan suhu akhir campuran 62°C.Berapakah massa air panas (kalor jenis air 4200 JKg-1°C-1)?

tolong sama caranya ya...
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