Re: motion detector with air track

["Daniel L. MacIsaac" <Dan.MacIsaac@NAU.EDU>]

Hi Mangala,

Long tme no see :^).

Yes,  it is a genuine source of SONAR noise (Ari Hamalainen and I are
preparing a manuscript on this and similar problems with SONAR).  Reduce your
air pressure or turn down the blower motor.

Dan M

> I had a problem using the motion detector with the air track. The
> blowing air seem to be interfering with the ultrasonic waves. Is anyone
> using the motion detector with the air track and have you encountered
> this problem?
>
> Mangala Joshua
> Mesa Community College
> 1833 West Southern Av.
> Mesa Az 85202
> mjoshua@sun1.mc.maricopa.edu

Dan MacIsaac, Assistant Professor of Physics and Astronomy, Northern AZ Univ
danmac@nau.edu          http://purcell.phy.nau.edu         PHYS-L list owner