⚛️ PhysicsLevel 1 — 🟢 Basicwave👁 26 views⏱ 1 min read
解物理: 一列机械波在介质中传播，波速 v = 240 m/s，频率 f = 399 Hz。求该波的波长。
📝 Problem
一列机械波在介质中传播，波速 v = 240 m/s，频率 f = 399 Hz。求该波的波长。✨Detailed Solution
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