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1. en.wikipedia.org › wiki › Radio_frequencyRadio frequency - Wikipedia

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   Radio frequency ( RF) is the oscillation rate of an alternating electric current or voltage or of a magnetic, electric or electromagnetic field or mechanical system in the frequency [1] range from around 20 kHz to around 300 GHz. This is roughly between the upper limit of audio frequencies and the lower limit of infrared frequencies, and also ...

2. openstax.org › books › physics13.2 Wave Properties: Speed, Amplitude, Frequency, and Period

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   In the chapter on motion in two dimensions, we defined the following variables to describe harmonic motion:...

3. en.wikipedia.org › wiki › Frequency_(2000_film)Frequency (2000 film) - Wikipedia

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   Box office. $68.1 million [1] Frequency is a 2000 American science fiction thriller film starring Dennis Quaid, Jim Caviezel, Andre Braugher, Elizabeth Mitchell, Shawn Doyle, Melissa Errico, and Noah Emmerich . Directed by Gregory Hoblit and written by Toby Emmerich, it was distributed by New Line Cinema. It also features Michael Cera in his ...

4. www.frequency.at › venue › anreiseAnreise - FM4 Frequency Festival

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   Anreise zum Festival mit Zug, Shuttle Bus oder Auto.

5. www.fluke.com › en-us › learnWhat is Frequency? | Fluke

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   In the case of electrical current, frequency is the number of times a sine wave repeats, or completes, a positive-to-negative cycle. The more cycles that occur per second, the higher the frequency. Example: If an alternating current is said to have a frequency of 3 Hz (see diagram below), that indicates its waveform repeats 3 times in 1 second.

6. www.filmstarts.de › kritiken › 25511Frequency - Film 2000 - FILMSTARTS.de

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   Frequency ist ein Film von Gregory Hoblit mit Jim Caviezel, Dennis Quaid. Synopsis: John Sullivan (James Caviezel), ein gestresster junger New Yorker Polizist, hat sich gerade von seiner großen ...

7. openstax.org › 14-1-speed-of-sound-frequency-and-wavelength14.1 Speed of Sound, Frequency, and Wavelength - OpenStax

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   Sound is a wave. More specifically, sound is defined to be a disturbance of matter that is transmitted from its source outward. A disturbance is anythin...