Physics, 26.10.2019 20:43 trinity7265

As a car approaches a pedestrian crossing the
road, the driver blows the horn. compared to
the sound wave emitted by the horn, the sound
wave detected by the pedestrian has a
(1) higher frequency and a lower pitch
(2) higher frequency and a higher pitch
(3) lower frequency and a higher pitch
(4) lower frequency and a lower pitch

Answers: 2

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As a car approaches a pedestrian crossing the
road, the driver blows the horn. compared to