Printhttp://en.wikipedia.org/wiki/Circular_motion
http://www.physicsclassroom.com/mmedia/circmot/ucm.cfm
http://www.physicsclassroom.com/class/circles/Lesson-1/Mathematics-of-Ci...
http://www.physicsclassroom.com/class/circles/Lesson-1/Speed-and-Velocity
http://hyperphysics.phy-astr.gsu.edu/hbase/circ.html
http://www.animations.physics.unsw.edu.au/mechanics/chapter3_circularmot...
http://www.nuffieldfoundation.org/practical-physics/introducing-circular...
http://www.kentshillphysics.net/mechanics/uniform-circular-motion/introd...
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