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Asource of sound waves approaches a stationary observer through a uniform medium.
Asource of sound waves approaches a stationary observer through a uniform medium. compared to the frequency and wavelength of the emitted sound, the observer would detect waves with a? a) higher frequency and shorter wavelength b) higher frequency and longer wavelength c) lower frequency and shorter wavelength d) lower frequency and longer wavelength
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If the distance between the source and the observer is shrinking ...
no matter which one is actually moving ... then the observer hears
higher frequency / higher pitch / shorter wavelength than the sound
that actually left the source. (A)
I can't answer it i need more information.