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Re: [Spridgets] brake physics part 72

To: Ron Soave <soavero@yahoo.com>
Subject: Re: [Spridgets] brake physics part 72
From: Jim Johnson <bmwwxman@gmail.com>
Date: Mon, 5 Oct 2009 16:25:51 -0700
When I said "very,very small accelerations" I wasn't talking about Scalar
values of but Vector values....   My bad...

Cheers!!
Jim

On Mon, Oct 5, 2009 at 4:03 PM, Jim Johnson <bmwwxman@gmail.com> wrote:

> Yup. I remember all that from the dark dusty days of engineering physics.
> However, the body undergoing centripetal acceleration is not undergoing an
> even acceleration....  You have to get into partials to really describe the
> scale of motion I'm talking about. You know... frame of reference is now
> "inside" the car, not viewing it from the outside of the system?
> Surely those moments would be non-linear, eh? Partials would describe the
> very very small accelerations. This is probably an eulerian vs lagrangian
> argument...
>
> Cheers!!
> Jim
>
>
> On Mon, Oct 5, 2009 at 3:29 PM, Ron Soave <soavero@yahoo.com> wrote:
>
>> --- On Mon, 10/5/09, Jim Johnson <bmwwxman@gmail.com> wrote:
>> > Ron - instantaneous or "Shock" forces should fall
>> > into the realm of turbulence, yes?
>>
>> Actually, I was talking about mechanical shock, which is an extremely
>> rapid acceleration or deceleration. In another definition, it is also a
>> variant of impact (force delivered over time as time goes to zero). Also
>>  you can think of it as the first derivative of acceleration (change in
>> acceleration with time) or third derivative of position (d^3X/dT^2), which
>> is truly defined (and GOD it pains me to type this) as a "jerk".
>>
>> Let the pigeons loose,
>> Ron
>>
>>
>>
>>
>
>
> --
> Cheers!!
> Jim
> Only two things are infinite, the universe and human stupidity, and I am
> not
> sure about the former. - Albert Einstein
>



--
Cheers!!
Jim
Only two things are infinite, the universe and human stupidity, and I am
not
sure about the former. - Albert Einstein
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