Physics, 09.03.2020 23:47, baylabrown
A car approaches you at a constant speed, sounding its horn, and you hear a frequency of 76 Hz. After the car goes by, you hear a frequency of 65 Hz. What is the frequency of the sound emitted by the horn
Answers: 2
and 
when moving towards observer
of 76 then taking speed in air as 343 m/s we have
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A car approaches you at a constant speed, sounding its horn, and you hear a frequency of 76 Hz. Afte...
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