Physics: Waves and Pressure An organ pipe with one end closed has a length of 4.

Question

Physics: Waves and Pressure

An organ pipe with one end closed has a length of 4.3 m. What is the frequency of the note played by this pipe? The speed of sound is 343 m/s. Answer in units of Hz When a second pipe is played at the same time, a 3.28 Hz beat note is heard. By how much is the second pipe too long? Answer in units of m Everyone at a party is talking equally loudly. If only one person were talking, the sound level would be 70 dB. Find the sound level when all 13 people are talking. Answer in units of dB

Explanation / Answer

Last question is 70dB for all 13 people

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