1984-01-016m14+
Uses animated graphics to describe a sonic boom and explain how it is produced. Illustrates how sound waves spread out from a stationary source, as well as from sources moving at different velocities up to twice the speed of sound, and then shows the intersection of a jet aircrafts's sonic boom cone with the ground
Cast:none
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country:none
Production:Institut für Film und Bild in Wissenschaft und Unterricht, Churchill Films,