Bantu jawab

<p>Jawaban yang tepat adalah A. 1.125 m</p><p>&nbsp;</p><p>Pembahasan :</p><p>t_S = 2 sekon</p><p>t_R= 3,5 sekon</p><p>V = 1.500 m/s</p><p>Rumus umumnya :</p><p>S = (V x t)/2</p><p>&nbsp;</p><p>Selisih kedalaman = Kedalaman R - Kedalaman S</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= (V x t_R)/2 &nbsp;- (V x t_S)/2</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= (1500 x 3,5)/2 - (1500 x 2)/2</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= &nbsp;2.625 - 1500</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 1.125 m</p>