Physics, 20.11.2019 19:31 angel34emb
Atrumpeter is placed on a moving sidewalk that moves at a constant velocity of 4.5 m/s. a listener is standing 6.0 m in front of the trumpeter on the same sidewalk. the trumpeter plays a note of frequency 290 hz. the air is still and the speed of sound is what frequency of the note does the listener hear?
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Emergent properties of living systems are defined as properties that .
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