Re: [Phys-l] air pressure question

[brian whatcott <betwys1@sbcglobal.net>]

I realise you are joking Bill, and to my shagrin, the paper noted a tone 
when the pipe is placed parallel to the air flow past the car (If I read 
it correctly)

Brian W


On 1/26/2011 7:05 PM, William Robertson wrote:
> So the test would be to hold the tube out a car window and see if it
> picks up pieces of paper at the other end. If not, it's standing
> waves. Now to find one of these tubes lying around the house somewhere.
>
> Bill
>
>
>
> On Jan 26, 2011, at 4:16 PM, William Robertson wrote:
>
> >   Is it
> > possible that when it's held outside a car window, you are simply
> > setting up standing waves in the tube, much like blowing over the top
> > of a beer bottle?
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