Forced oscillation (driven oscillation): if apply a periodically varying driving force with angular frequency to a damped harmonic oscillator; the angular frequency with which the mass oscillates is equal to the driving angular frequency; if we force the oscillator to vibrate w/ angular freq nearly equal to angular frequency: it is naturally disposed to oscillate at a certain freq, so we expect the amplitude to be larger than when the 2 are very different; little damp: sharp A peak when…
Frequency formula period time frequency cycle per second hertz Hz amplitude duration periodic time period to angular frequency formulary wavelength acoustic equation relationship wavelength Hz millisecond ms calculation calculate calculator Hz hertz
Angular velocity is equal to the circumference pi r) times the frequency; if whirling a mass around in a horizontal circle, can find the radius of the circle by (length of string x sinangle), then use the above equation
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Spirit stealth bomber of the USAF. Stealth aircraft are designed to avoid detection using a variety of advanced technologies that reduce reflection/emission of radar, visible light, radio-frequency (RF) spectrum, and audio, collectively k
A YouTube video from Khan Academy: Connecting angular velocity to period and frequency #learn
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