Jumat, 05 Februari 2010

Waves material G8

Vibration is an oscilating movement through a point of equilibrium.


You’ve probably seen a clock pendulum swing back and forth. You would have noticed that every swing followed the same path, and each trip back and forth took the same amount of time. This action is an example of vibrational motion. Other examples include a metal block bobbing up and down on a spring and a vibrating guitar string. These motions,

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