September 2018 1 42 Report
1. Bunyi gema terdengar 1sekon setelah bunyi asli diucapkan . Jika cepat rambat bunyi udara 300 m/s Berapa jarak antara sumber bunyi dan tebing ?

2. Cepat rambat bunyi didalam air 1800 m/s . Jika pantul terdengar 2sekon setelah bunyi asli dirambatkan , Hitunglah kedalaman laut ?
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