Sonic Boom

From:         carvalho@phoenix.princeton.edu (T A Carvalho)
Organization: Kindergarten
Date:         05 Oct 93 13:18:19 PDT
Followups:    1 2 3
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    I subscribe to the newsgroup rec.travel.air and we've been having
a discussion about using the Concorde in other markets besides the
North Atlantic. I am posting here in hope that this more technical
crowd be able to answer the following question posted there:

krzystek@carson.u.washington.edu asks:

>>P.S. Can somebody please elaborate on the original question:
does the sonic boom arise only on passing through the sound barrier,
or during the whole supersonic flight?

 I am also willing to know what is it like having a Concorde at 
Mach 2 flying over my head 60000ft high.

   Thanks for any help.