If the Speed of Sound Is 340 M/s a Plane

question 18

Multiple Choice

If the speed of sound is 340 m/s a plane flying at 400 m/s creates a conical shock wave with an apex half angle of:

• A)"0° (no shock wave)
• B)"32 ° "
• C)"40 ° "
• D)"50 ° "
• E)"58 ° "

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The proportion of males to females in a population, commonly used in studies of population dynamics, behavior, and evolutionary biology.

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