----- Original Message -----
From: "Scott F. Touchton" <Scott.Touchton@US.JDSUNIPHASE.COM>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Wednesday, November 07, 2001 6:12 AM
Subject: Re: [ot]: how does a radar detector work?


> Energy is relative to velocity and mass.  So... one car traveling at 75mph
> will impart energy equating to the square of its velocity and mass.  If
you
> hit another car traveling towards you at 75mph, it is the same as hitting
a
> fixed object at the relative speed, 150mph.  Much more energy... I was
> wrong about the twice part, it is a squared relationship.  So you have 4
> times the energy being imparted onto both cars (so each will see twice as
> much if the masses are the same).
>
> Scott F. Touchton
> 1550 Engineering Manager
> JDS Uniphase

Again, where does this energy come from? If you can tell me, I'd like to go
into business with you selling perpetual motion machines.


Bob Ammerman
RAm Systems

>
>
>                     Gerhard
>                     Fiedler              To:     PICLIST@MITVMA.MIT.EDU
>                     <gfiedler@GLOB       cc:
>                     O.COM.BR>            Subject:     Re: [ot]: how does a
radar detector work?
>                     Sent by: pic
>                     microcontrolle
>                     r discussion
>                     list
>                     <PICLIST@MITVM
>                     A.MIT.EDU>
>
>
>                     11/06/01 10:29
>                     AM
>                     Please respond
>                     to pic
>                     microcontrolle
>                     r discussion
>                     list
>
>
>
>
>
>
> At 09:54 11/06/2001 -0500, Scott F. Touchton wrote:
> >I have to disagree with you... you have approximately twice as much
energy
> >being absorbed by the cars.
>
> Twice as much by _two_ cars... :)  If you run one car into a completely
> (ideally) stiff wall, it's the energy of one car absorbed by one car,
> because the stiff wall doesn't absorb anything, so in this two cases,
every
> car absorbes the same energy, no matter whether it's one car against a
wall
> or two cars against each other. (A different thing is a car against a
> standing car.)
>
> ge
>
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