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ppk ppk
wrote...
Valued Member
On Hiatus
Posts: 3561
12 years ago
A sound source approaches a stationary observer.  The frequency heard by the observer is
A) higher than the source.
B) lower than the source.
C) the same as that of the source.
D) equal to zero.
E) impossible to predict.
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Answer accepted by topic starter
bio_manbio_man
wrote...
Educator
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Posts: 33257
12 years ago
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