Printhttp://en.wikipedia.org/wiki/Oscillation
http://www.animations.physics.unsw.edu.au/jw/oscillations.htm
https://www.khanacademy.org/science/physics/oscillatory-motion
http://www.circuitstoday.com/types-of-oscillations
http://physics.mq.edu.au/~terry/bridge/BRIDGE11.pdf
http://ww2.odu.edu/~jdudek/Phys111N_materials/8_oscillations_waves.pdf
http://youthrokzz.weebly.com/uploads/6/7/2/9/6729243/waves_and_oscillati...
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