October 2018 2 19 Report
Tolong kawan2 yang cantik dan ganteng.
1.sebuah kapal menembakkan suatu gelombang bunyi ke dasar laut. pantulan gelombang bunyi diterima 0,5 detik dkemudian. jika cepat rambat bunyi di air laut 800ms-1 berapakah kedalamnya laut?
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