Mohon bantuannya

<p>Jawaban yang tepat adalah&nbsp;</p><p>a. A = 0,5 meter</p><p>b. T = 0,5 sekon</p><p>c. f = 2 Hz</p><p>&nbsp;</p><p>Pembahasan :</p><p>t = 0,75 sekon &nbsp;= 3/4 sekon</p><p>n = 1,5 gelombang = 3/2 gelombang</p><p>&nbsp;</p><p>a. Amplitudo adalah simpangan terjauh dari titik kesetimbangan</p><p>&nbsp; &nbsp; &nbsp;Amplitudo = 0,5 meter</p><p>&nbsp;</p><p>b. Periode gelombang (T)</p><p>&nbsp; &nbsp; &nbsp;T = t/n</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= (3/4)/(3/2)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= (3/4) x (2/3)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 6/12</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 0,5 sekon atau 1/2 sekon</p><p>&nbsp; &nbsp; Sebenarnya dari gambar sudah ada angkanya 0,5 sekon tidak&nbsp;</p><p>&nbsp; &nbsp; perlu dihitung</p><p>&nbsp;</p><p>c. Frekuensi gelombang (f)</p><p>&nbsp; &nbsp; &nbsp;f = n/t</p><p>&nbsp; &nbsp; &nbsp; &nbsp; = (3/2)/(3/4)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; = (3/2) x (4/3)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; = 12/6</p><p>&nbsp; &nbsp; &nbsp; &nbsp; = 2 Hertz</p><p>&nbsp; &nbsp; atau&nbsp;</p><p>&nbsp; &nbsp; &nbsp; f = 1/T</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 1/(1/2)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 2 Hz</p>