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1. 一艘漁船在 3000 公尺深的海域,以聲納探測魚群。若此漁船發出聲波後,經過 1.0 秒就接到回聲,漁夫們研判應是探測到魚群的位置,則魚群應位於多少公尺深的海底?(已知當時海水中聲速為 1500
問題詳情
1. 一艘漁船在 3000 公尺深的海域,以聲納探測魚群。若此漁船發出聲波後,經過 1.0 秒就接到回聲,漁夫們研判應是探測到魚群的位置,則魚群應位於多少公尺深的海底?(已知當時海水中聲速為 1500公尺∕秒)
(A)375
(B)750
(C)1500
(D)3000。
參考答案
答案:B
難度:
計算中
-1
書單:
沒有書單,新增
用户評論
【用戶】
小小鋼鐵人
【年級】大三上
【評論內容】1500×1÷2=750
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