All I am saying is that

來源: Marauders 於 2023-10-28 22:19:23 [] [舊帖] [給我悄悄話] 本文已被閱讀： 次 (389 bytes)

Vapor cone can happen before sonic speed.  It is probably most obvious when breaking the sound barrier where pressure in the wave front changes most dramaticly

 

所有跟帖： 

• 謝謝。 I agree that could happen. But that might not be -xia23- ♂ 給 xia23 發送悄悄話 xia23 的博客首頁 (270 bytes) () 10/29/2023 postreply 06:22:56

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