![SOLVED: If the frequencies of two component waves are 24 Hz and 20 Hz, they should produce beats per second. SOLVED: If the frequencies of two component waves are 24 Hz and 20 Hz, they should produce beats per second.](https://cdn.numerade.com/ask_previews/d48462a3-9245-4219-b6c3-43b347553259_large.jpg)
SOLVED: If the frequencies of two component waves are 24 Hz and 20 Hz, they should produce beats per second.
A person has a hearing range from 20Hz to 20KHz . What are the typical wavelengths of sound waves in air corresponding ton these two frequencies? Take the speed of sound in
![A car approaching a crossing at a speed of 20 m/s sounds a horn of frequency 628 Hz when 80m from the crossing. The apparent frequency heard by an observer 60m from A car approaching a crossing at a speed of 20 m/s sounds a horn of frequency 628 Hz when 80m from the crossing. The apparent frequency heard by an observer 60m from](https://dwes9vv9u0550.cloudfront.net/images/1659734/c4d83e3f-d797-4380-8110-859aa410cc7f.jpg)
A car approaching a crossing at a speed of 20 m/s sounds a horn of frequency 628 Hz when 80m from the crossing. The apparent frequency heard by an observer 60m from
![SOLVED: The source of a wave is moving at 40 vibrations per second. What is the frequency of the wave it produces? A. 1 hz B. 40 hz C. 20 hz D. 80 hz SOLVED: The source of a wave is moving at 40 vibrations per second. What is the frequency of the wave it produces? A. 1 hz B. 40 hz C. 20 hz D. 80 hz](https://cdn.numerade.com/ask_previews/052997fa-de00-4efa-9223-d69ca2776bcf_large.jpg)