Re: [Phys-L] real-world physics

[brian whatcott <betwys1@sbcglobal.net>]

Hmmm..  with a compressing spring, an increasing force, providing an 
increasing retardation.
So certainly not constant acceleration.   I think I was responding to 
the idea of doubling the acceleration by the reversed direction, which 
seems also mistaken

Brian W


On 6/6/2012 11:54 AM, brian whatcott wrote:
> Comparable speed at reciprocal heading, with constant acceleration 
> possibly??
>
> Brian W
>
> On 6/6/2012 10:57 AM, Bernard Cleyet wrote:
> > On 2012, Jun 06, , at 08:19, John Clement wrote:
> >
> > > I wonder if the boxes were filled with bubble wrap.
> > A possible worsening, as if not popped, bouncing, doubling the 
> > acceleration.
> >
> >
> >
> >
> > >   Since these are
> > > professionals I suspect they first tried a dummy and that they know 
> > > how to
> > > calculate forces.
> > >
> > > So testing an idea is not all that farfetched.
> > __