Re: Kinematics - a vs. t graphs

[Dan MacIsaac <Dan.MacIsaac@NAU.EDU>]

> analog side. Does anybody know how accurate are
> distance measurements on the analog side? What can
> be done to reduce them?
> Ludwik Kowalski

I have seen typically 0.003m in resolution for SONAR rangers, and
there is a lot you can do to reduce noisy signals.  Much has already
been
discussed here, a more detailed set of examples is in the PHYS-L
archives
and in the Jan 02 TPT article Ari and I wrote:
<http://ojps.aip.org/dbt/dbt.jsp?KEY=PHTEAH&Volume=40&Issue=1>

if you didn't buy electronic access to TPT:
1. shame on you
2. buy the access -- it's  $9 if you subscribe already. See AAPT member
site
3. while you're waiting see
<http://physicsed.buffalostate.edu/pubs/TPT/>

Dan M

Dan MacIsaac, Assistant Professor of Physics, SUNY-Buffalo State College
222SCIE BSC, 1300 Elmwood Ave , Buffalo NY 14222 USA 716-878-3802
<macisadl@buffalostate.edu>  <http://PhysicsEd.BuffaloState.edu>