[Phys-L] Re: First Day Activities or Demos

[snyders at CABLESPEED.COM (Sheron Snyder)]

Is that confident in friction, air resistance or entropy?

grin
SHeron

----- Original Message -----
From: "Ludwik Kowalski" <kowalskil@MAIL.MONTCLAIR.EDU>
To: <PHYS-L@LISTS.NAU.EDU>
Sent: Wednesday, August 10, 2005 8:46 AM
Subject: Re: First Day Activities or Demos


> On Wednesday, Aug 10, 2005 A. Marie Pool wrote:
>
> > I need something to catch my students attention the first day of
> > school.
> > Suggestions?
>
> I suggest a simple pendulum (with large L) suspended from the ceiling.
> Place a menacing (large) m close to your face and push it away strongly.
> Then explain why you have so much confidence in laws of physics.
>
> Ludwik Kowalski
> Let the perfect not be the enemy of the good.