ISLE 10.2 The Speed of Sound and the Sonic BoomClick on the above link to work though the ISLE activity. Once you've completed the activity, navigate back and answer the following question.When a plane reaches or exceeds the speed of sound, it has achieved what is generally referred to as ______ speed, and it will leave a wake of sound collision known as a ______.
A. faster than sound; sonic boom
B. Mach; positive audible polarity
C. slipstream; sonic warp
D. Mach; sonic boom
Answer: D
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