From: Stein A. Stromme (stromme@mi.uib.no)
Date: Sat Jun 07 2003 - 09:43:24 EDT
[George Murphy]
| D. F. Siemens, Jr. wrote:
| > But the piece was quickly decelerated by the air through which
| > they were flying, so the relative velocity on striking the shuttle
| > wing was close to the velocity of the craft.
|
| This would require that air resistance quickly kill off the
| _upward_ velocity the foam would have had on breaking away. That
| would take some time, & again one needs to know some numbers to
| estimate whether there would have been enough time.
George,
It seems reasonable to me that air resistance would indeed be a
stronger factor in this situation than the 1G of gravity you allowed
for in your own computation. What is special about upward velocities
with regard to air resistance?
Stein
-- Stein Arild Str¯mme +47 55584825, +47 95801887 Universitetet i Bergen Fax: +47 55589672 Matematisk institutt www.mi.uib.no/stromme Johs Brunsg 12, N-5008 BERGEN stromme@mi.uib.no
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