在夏季的雷雨天,我们总是先看见雷电,后听见雷声,这是由光比声音的传播速度很快.
已知光在空气中的传播速度为3×10的8次方米 每秒,它是声音在空气中传播速度的8.82×10的5次方倍,那么你能求出声音在空气中的传播速度约为多少吗?（精确到10位）
答案？？？？？？？？？？？？？？？？
人气：101 ℃ 时间：2019-09-18 02:33:54
解答
（3*10^8)/(8.82*10^5)=338.9830508
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