Re: [Phys-l] heat/energy

["Spagna Jr., George" <gspagna@rmc.edu>]

Anthony asked: 

-----Original Message-----
From: phys-l-bounces@carnot.physics.buffalo.edu [mailto:phys-l-bounces@carnot.physics.buffalo.edu] >On Behalf Of Anthony Lapinski
> Sent: Thursday, January 28, 2010 7:35 AM
> To: tap-l@lists.ncsu.edu; phys-l@carnot.physics.buffalo.edu
> Subject: [Phys-l] heat/energy

> Does anyone have a demo/activity that "easily" shows a temperature rise
> when two objects impact?

Not quite what you asked for, but we have a pair of "collision balls" - essentially oversized steel ball bearings.  When collided with a piece of paper between (takes practice) the collision burns a hole in the paper.

*******************************************************
  "When a distinguished but elderly scientist states that
something is possible, he is almost certainly right.  When 
he states that something is impossible, he is probably wrong"
                                  - Arthur C. Clark
*******************************************************

Dr. George Spagna
Physics Department
Randolph-Macon College
P.O. Box 5005
Ashland, VA 23005-5505

phone: (804) 752-7344
fax: (804) 752-4724
e-mail: gspagna@rmc.edu
http://faculty.rmc.edu/gspagna/public_html/index.html