Speed of Sound
المؤلف:
Professor John W. Norbury
المصدر:
ELEMENTARY MECHANICS & THERMODYNAMICS
الجزء والصفحة:
p 202
1-1-2017
2299
Speed of Sound
The speed of sound in any medium is given by
where ρ is the density of the medium and B is the Bulk Modulus defined as
where a change in pressure Δp causes a change in the volume ΔV of a medium. In air the speed of sound is
The speed of sound was exceeded in an airplane many years ago. However the sound barrier was broken by an automobile only for the first time in October 1997.
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اخر الاخبار
اخبار العتبة العباسية المقدسة
