蚂蚁怕什么颜色:CAN YOU HELP ME?

来源：百度文库编辑：查人人中国名人网时间：2024/05/08 02:43:23

海水传声平均速度为多少??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????急!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!111111

1450m/s

应该是1450m/s吧

好象是1450m/s......

1450m/s

当海水25度的时候传播声音的速度为1531。
不信你翻人教版物理初二上学期15页

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