RE: RE: [privacy] Gas prices and car driving

[Drsolly <drsollyp () drsolly com>]

On Fri, 4 Aug 2006, Gary Funck wrote:

> Andrew wrote (in part):
> > It was a direct question about running into a moose and which speed is 
> > worse (assuming "worse" means likelihood of injury to occupants) --- 20 
> > or 60 miles per hour.   Is there any question that 60 mph, or any speed 
> > greater than the one compared to for that matter, is "worse"?
>
> This may be difficult to model, and may depend upon the strength
> of the vehicle relative to the moose.  We should probably first
> presume that the moose is standing in the road or running across it.
> If he's taking a nap in the middle of the road, then we must
> resort to a different line of analysis.  For the purposes of this
> analysis, let's assume that he's standing, staring in our headlights.
> A 1200 pound moose standing on four legs will not offer the
> same resistance as a 1200 pound boulder.  That's because the impact
> will tend to lift the moose up off its feet and this will cause
> our momentum to be carried forward into the moose rather than being
> reflected back into the frame of the car.  Thus the deformation will
> unfortunately predominately occur in the moose -- that is where
> the bulk of the energry will be transmitted and subsequently absorbed.
> If this hypothesis holds true, then it is likely that higher speeds
> will serve only to damage the moose more, and will leave our car
> frame and body relatively unaffected.  <g>
 
Assume a thin, light, inextensible moose with elasticity = 1.0 ...

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