Archived posting to the Leica Users Group, 2010/02/02

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Subject: [Leica] False start explained well
From: steve.barbour at gmail.com (Steve Barbour)
Date: Tue, 2 Feb 2010 11:21:14 -0800
References: <mailman.995.1265131244.73134.lug@leica-users.org> <SNT121-DS7C3ECD91842D74EA1373ED4570@phx.gbl>

On Feb 2, 2010, at 10:41 AM, Aram Langhans wrote:

>> From: "Jim Nichols" <jhnichols at lighttube.net>
>> Subject: Re: [Leica] False start explained well
>> To: "Leica Users Group" <lug at leica-users.org>
>> Message-ID: <FE4DFE5FF96F47AEB525031B2000506B at jimnichols>
>> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
>> reply-type=original
>> 
>> I have another concern about this assumption.  Since the speed of light is
>> much faster than the speed of sound, it seems to me that this would 
>> penalize
>> an athlete who watched the starter, for the flash of the gun.
>> 
>> Jim Nichols
>> Tullahoma, TN USA
> 
> Jim.  In all the years I competed and coached I have never seen a sprinter 
> look at the starter.  Would seriously impede their start, I think.  As far 
> as the speed of sound, while a minimal difference in this situation, 
> modern starting blocks have speakers built into them and the gun really 
> does not make a sound at all.  So, each runner has the same distance 
> between themselves and the source of sound right behind them.  They try to 
> think of everything.  but even controversy surrounds the silent gun.

what's the delay between squeezing the trigger and the sound comng from the 
speakers?


Steve
> 
> Aram 
> 
> _______________________________________________
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In reply to: Message from leicar at q.com (Aram Langhans) ([Leica] False start explained well)