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Home Q & A Board Science-Related Homework Help Physics
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symbo symbo
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7 years ago
Because of the Doppler effect, the sound of the engines of an aircraft that flies over us
A)   changes from a high pitch or frequency to a lower pitch.
B)   changes from a low pitch or frequency to a higher pitch.
C)   remains at the same pitch or frequency, but the intensity rises as the plane approaches and then falls again.
D)   starts at a high pitch or frequency, drops to a low frequency when the plane is overhead, then rises again as the plane moves away from us.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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discovererdiscoverer
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