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Old 2009-03-31, 12:31   #7
wblipp
 
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"William"
May 2003
New Haven

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512 m/s.

This is the doubling that passes the speed of sound for reasonable temperatures. After that point, the dog never hears another bounce of the cane.

[url]http://hyperphysics.phy-astr.gsu.edu/hbase/sound/souspe.html[/url]
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