Roller Coaster Exclusive: Sa mga gagawa...

http://www.gamesgames.com/game/RollercoasterCreator.html

http://www.learner.org/interactives/parkphysics/

TME: Total Mechanical Energy

Here are sites that could help you.... help yourself.

http://www.physicsclassroom.com/mmedia/energy/se.cfm

http://www.physicsclassroom.com/Class/energy/u5l1b.cfm

http://www.physicsclassroom.com/Class/energy/u5l1c.cfm

http://www.physicsclassroom.com/Class/energy/u5l1d.cfm

http://www.physicsclassroom.com/Class/energy/u5l2a.cfm

http://www.physicsclassroom.com/Class/energy/u5l1a.cfm

http://www.physicsclassroom.com/Class/energy/u5l2b.cfm