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Re: [Phys-l] Physics Day snow tubing



At 02:43 PM 11/26/2007, Paul Lulai , you wrote:
Directly measure: Position & time

Calculate:
Vo, vf
A
GPE_top
GPE_bottom
KE_top
KE_bottom
E_loss
Coefficient of friction from sled/skier's motion after hill. (knowing
v_bottom, t, v_stop=0, m_sled_rider)
W_friction bottom
...
Paul Lulai . . . To wonder is to begin to understand
Physics Instructor
Saint Anthony Village Senior High School, ISD 282
3303 33rd Avenue N.E.
Saint Anthony Village, MN 55418

(w) 612-706-1144
(fax) 612-706-1140

Which reminds me that this might be the place to demonstrate a
brachistochrone; a thoroughly non-intuitive fast way down....

For this and more:

"When Least Is Best: How Mathematicians Discovered Many Clever
Ways to Make Things as Small (or as Large) as Possible"
by <http://www.amazon.com/When-Least-Best-Mathematicians-Discovered/dp//exec/obidos/search-handle-url/002-1992681-9076816?%5Fencoding=UTF8&search-type=ss&index=books&field-author=Paul%20J.%20Nahin>Paul J. Nahin [Amazon paperback]

Brian W


Brian Whatcott Altus OK Eureka!