天气预报 > 其他 > 一马赫等于多少米
一马赫等于多少米
更新时间: 2020-11-05 00:00:00  

马赫是表示速度的量词,米是长度单位,两者不能互换,马赫的大约速度换算一般认为相当于340.3m/s,又大约等同于1225km/h,761.2mph,或者1116ft/s。即视为等于声音在15摄氏度(59华氏度,288.15开氏度)的空气中传播的速度。

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