gc textbook chapter 12 Sound (id: cc9bd6c63)

本题目来源于试卷: gc textbook chapter 12 Sound，类别为 通用国际物理

[填空题]
If two firecrackers produce a sound level of 95 dB when fired svo 18lo5*2zs 5benf y+0u xbchimultaneousl 0lc/v4ik2f ek h9v-16td chxhy at a certain place, what will be the sound level id4x t2hkhick6v 9/v 0-1 fhelcf only one is exploded? [Hint: Add intensities, not dB’s.]    dB

参考答案: 92±2%


本题详细解析:

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