Tolong dijawab🙏

<p>Diketahui :</p><p>Dari gambar dapat kita ambil informasi ..</p><ul><li>n = 3 gelombang</li><li>t = 3 sekon</li></ul><p>Ditanya :</p><p>Cepat rambat gelombang (V)?</p><p>&nbsp;</p><p>Pembahasan :</p><ul><li><strong>Menentukan panjang gelombang (𝞴)</strong></li></ul><p>&nbsp; &nbsp; &nbsp; 1/2 𝞴 = 60 cm</p><p>&nbsp; &nbsp; &nbsp; &nbsp;𝞴 = 60 x 2</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 120 cm</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 1,2 m</p><ul><li><strong>Menentukan Periode Gelombang (T)</strong></li></ul><p>&nbsp; &nbsp; &nbsp; T = t/n</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 3/3&nbsp;</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 1 sekon</p><ul><li><strong>Menentukan cepat rambat gelombang (V)</strong></li></ul><p>&nbsp; &nbsp; &nbsp; V = 𝞴/T</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 1,2/1</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 1,2 m/s</p><p>&nbsp; &nbsp; &nbsp;Jawaban : <strong>C</strong></p>