August 2018 1 111 Report
Sebongkah es bermassa 20kg terkena sinar matahari sehingga sebagian es mencair pada suhu 0 derajat celcius. Apabila kalor yang diterima es 132 kJ, massa es yang mencair .... kg.
(kalor lebur es= 330000 J/kg)

caranya gimana ?
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