Re: A question for those interested in physics...
From Timberwoof <tim...@infernosoft.com>
· alt.ascii-art
· 2 Apr 2002 01:10 · View full thread
· report
In article <UpOo8.9545$n82...@news20.bellglobal.com>, "arjay" <arj...@sympatico.ca> wrote: > "Timberwoof" wrote ... > > Elizabeth <boo...@greyREMOVErock.org> wrote: > > > > > It was sort of a joke question. I haven't studied physics for a while, > > > but IIRC, it doesn't make a sound. I guess we're talking about a closed > > > system, so the energy required to ring the bell must come from within, > > > and barring no other forces involved, the bell would vibrate > > > indefinitely. Now I wonder if there's a small amount of heat involved in > > > the transfer of energy. Anybody know? I haven't thought about this stuff > > > in ages! > > > > The bell rings because someone hit it with something. Its ringing sets > > up pressure waves in the air, and we can hear those. > > > > In a vacuum, a bell might vibrate for longer than in an atmosphere > > because there's no atmosphere to carry energy away from it. However, > > internal friction of the moving metal will eventually damp the > > vibrations (and heat up the bell). > > > > Imagine this scenario: Rigidly attach a bell to the inside of a steel > > container. Evacuate the air from the container. Then ring the bell. > > (Okay, you can have an electromagnet with a hammer in there.) Assuming > > that you and the container are in an atmosphere, and the container isn't > > unreasonably thick, you might be able to hear the bell ringing even > > though it's in a vacuum. > > Nope. > You'll hear the steel container resonating to the vibrations of the bell. > (You /did/ say it was a rigid attachment?) What do you mean, "Nope"? That's what I said. -- Timberwoof <timberwoof at infernosoft dot com> Chief Perpetrator Infernosoft: Putting the No in Innovation. http://www.infernosoft.com "The opposite of hardware is not easyware."
Original message headers
X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: f9e16,53f9f7cceb4d817f
X-Google-Attributes: gidf9e16,public
X-Google-Thread: fc9f9,53f9f7cceb4d817f
X-Google-Attributes: gidfc9f9,public
X-Google-Thread: 10eb3b,53f9f7cceb4d817f
X-Google-Attributes: gid10eb3b,public
X-Google-Thread: 107d75,4a81179a975b6945
X-Google-Attributes: gid107d75,public
X-Google-Thread: 10cbb9,53f9f7cceb4d817f
X-Google-Attributes: gid10cbb9,public
X-Google-Thread: f996b,53f9f7cceb4d817f
X-Google-Attributes: gidf996b,public
X-Google-Thread: f9391,53f9f7cceb4d817f
X-Google-Attributes: gidf9391,public
X-Google-Thread: fcfb9,d0123b843bd8782d
X-Google-Attributes: gidfcfb9,public
X-Google-ArrivalTime: 2002-04-01 17:15:06 PST
Path: archiver1.google.com!news1.google.com!sn-xit-02!sn-xit-01!supernews.com!207.217.77.43.MISMATCH!newsfeed1.earthlink.net!newsfeed.earthlink.net!feed2.news.rcn.net!rcn!netnews.com!xfer02.netnews.com!newsfeed1.cidera.com!Cidera!feed.news.sonic.net!typhoon.sonic.net!not-for-mail
From: Timberwoof <tim...@infernosoft.com>
Newsgroups: alt.ascii-art,alt.seduction.fast,comp.os.linux.advocacy,comp.text.tex,alt.flame.jesus.christ,comp.sys.mac.advocacy,comp.unix.bsd.openbsd.misc,comp.unix.bsd.freebsd.misc,comp.unix.bsd.misc,sci.physics
Subject: Re: A question for those interested in physics...
Organization: Infernosoft
References: <x7Vn8.1094$sO2...@news.xtra.co.nz> <a7r0ti$tlr$1...@jair.pressenter.com> <3CA18BA6.1C0@_REMOVETHIS_erols.com> <3CA...@csse.monash.edu.au> <3CA1966B.605@_REMOVETHIS_erols.com> <3CA...@csse.monash.edu.au> <3CA...@greyREMOVErock.org> <Zdqo8.232379$s43...@typhoon.columbus.rr.com> <3CA...@greyREMOVErock.org> <tim...@typhoon.sonic.net> <UpOo8.9545$n82...@news20.bellglobal.com>
User-Agent: MT-NewsWatcher/3.1 (PPC)
X-Face: /+dsZp_X}b*<_Q]W|ZY*WQYU`Xi<3eZbDC3g_TW[I&?HD@BcBbCrwy\8|Ii~* 2Ah/Eb'6n=8d\/(&!2]H*u$pLjt<X6Z9*L*xd|}=1C?4<azN:f}wmy0kjc`X0]pZS.hq qO-E_{y9<__y1p)jo/rY'yC0k;<uyZxJ7UC=aJ(6EX&r$
Message-ID: <tim...@typhoon.sonic.net>
Lines: 39
Date: Tue, 02 Apr 2002 01:10:26 GMT
NNTP-Posting-Host: 209.204.188.144
X-Complaints-To: abu...@sonic.net
X-Trace: typhoon.sonic.net 1017709826 209.204.188.144 (Mon, 01 Apr 2002 17:10:26 PST)
NNTP-Posting-Date: Mon, 01 Apr 2002 17:10:26 PST
Xref: archiver1.google.com alt.ascii-art:16524 alt.seduction.fast:80730 comp.os.linux.advocacy:222919 comp.text.tex:44072 alt.flame.jesus.christ:74710 comp.sys.mac.advocacy:138269 comp.unix.bsd.openbsd.misc:15077 comp.unix.bsd.freebsd.misc:53322 comp.unix.bsd.misc:1285 sci.physics:166209
Related ASCII art in the Gallery
Explore these categories from our collection of 11,000+ artworks:
Make your own ASCII art
Turn images, text or 3D into ASCII, or draw your own – right in your browser.
About this message.
This message was posted publicly to the newsgroup
alt.ascii-art
in 2002 and is mirrored here unchanged as part of the Historic Archives – only email addresses are masked.
The artwork and text belong to their original authors: if you copy a piece, keep the artist's initials or signature intact and credit them where you can.
Are you the author? Contact us to get your posts attributed, connected to your artist profile, or removed.
Report this message
Help us keep the archive clean and accurate. Reports are reviewed by a person – nothing is changed automatically.