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夏天打雷时,小明看到闪电后4秒才听到雷声,求打雷处离小明的距离是多少米?(设声音

题型:计算题

题目:

夏天打雷时,小明看到闪电后4秒才听到雷声,求打雷处离小明的距离是多少米?(设声音在空气中的传播速度为340m/s)

答案:

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答案:C

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