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Re: A Friday Physics Problem

To: autox mailing list <autox@autox.team.net>
Subject: Re: A Friday Physics Problem
From: "Mark J. Andy" <marka@telerama.com>
Date: Fri, 19 Nov 1999 17:17:54 -0500 (EST)
Howdy,

On Fri, 19 Nov 1999 dg50@daimlerchrysler.com wrote:
> If we assume that both cars have the same level of grip (f), then Car B must
> slow down to make the turn.
> 
> Solving for v, we get
> 
> sqrt(rf/m) = v
> 
> Meaning that v varies as the square root of one over the mass. (uhh, right?)
> 
> Something doesn't seem right with that conclusion, could someone check it?

Is now a good time to point out that this doens't have much to do with
real life?  Like, fer instance, car b will have more grip _because_ it has
more mass?

(just being a wiseass.  I assume you're looking for a rule of thumb here
to show someone that weight matters more than motor?)

Mark


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