December 2019 1 86 Report
Jika kecepatan bunyi di air laut 1500 m/s. waktu gema yang dibutuhkan sampai ke kapal adalah..? (jarak antara kapal dan dasar laut 450 m)
a. 0.3 s
b. 0.6 s
c. 1.67 s
d. 3.33 s
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