Tracker Modeling in Wooden Rod rolling down a slope
http://weelookang.blogspot.sg/2012/07/tracker-modeling-in-wooden-rod-rolling.html

Author Video: lookang
Author Tracker model: lookang  

[img]http://3.bp.blogspot.com/-_TemY5LVCo8/T_74sxWbNyI/AAAAAAAADGI/wjeZ5K_lSaQ/s1600/wooden+rod+rolling+down+a+slope.png[/img]
Tracker Modeling in  in wooden rod rolling down a slope  Model is x = -0.11*t^2-0.03*t and   y = -0.006*t^2+0.0355 with pe potential energy defined as pe = m*g*h and te = pe +K

[img]http://3.bp.blogspot.com/-jSWEBzcGLAQ/T_74u_5NJ5I/AAAAAAAADGQ/BTIgylk1lBo/s1600/wooden+rod+rolling+down+a+slope1.png[/img]
Tracker Modeling in  in wooden rod rolling down a slope  Model is x = -0.11*t^2-0.03*t and   y = -0.006*t^2+0.0355, taking note that the data analysis shows a round off error number y = -0.006*t^2+0.035


Doing more research by evidence based kinematic model construction process to substantiate this article.

Wee L.K., Charles Chew, Goh G.H.,Lee T.L.,Samuel Tan (2012) Using Tracker as a Pedagogical Tool for Understanding Projectile Motion  Physics Education, 47(4): 448.   arXiv:1206.6489 [pdf] http://arxiv.org/abs/1206.6489