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From: yoon@gt-cmmsr.GATECH.EDU (Wan Yoon)
Newsgroups: rec.audio,sci.physics,sci.electronics
Subject: Re: Mercury Filled Speaker Wire
Message-ID: <31787@gt-cmmsr.GATECH.EDU>
Date: Thu, 24-Sep-87 14:59:55 EDT
Article-I.D.: gt-cmmsr.31787
Posted: Thu Sep 24 14:59:55 1987
Date-Received: Sat, 26-Sep-87 17:12:48 EDT
References: <1549@culdev1.UUCP> <1130@hounx.UUCP>
Reply-To: yoon@gt-cmmsr.UUCP (Wan Yoon)
Organization: Center for Man-Machine Systems Research - Ga Tech
Lines: 19
Xref: mnetor rec.audio:3407 sci.physics:2270 sci.electronics:1415

In article <1130@hounx.UUCP> jong@hounx.UUCP (J.LEE) writes:
>
>The wave length of 20 K Hz tone is 5 kilometers???
>Nah.  The velocity of sound is about 300 m/s at room temperature.
>This makes the wave length of 20 KHz sinusoid 0.015m (=300/20k)
>or 1.5 cm (~0.6 in).

 Wow, you are mentioning the skin effect of AIR, aren't you?

>
>Regards.    J Lee, Bell Labs, Holmdel, NJ.


-- 
Wan Yoon

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