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光1秒可绕地球几圈

更新时间: 2020-06-27 00:00:00     

1、光在真空中的传播速度为3亿米每秒;

2、地球的半径约为6400千米,从而推算出地球的赤道周长约为4万千米;

3、根据路程等于速度乘以时间的出,光传播一秒经过的距离约为3亿米;

4、光走过的距离除以地球的赤道周长即可得出答案。

关键词: 地球

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