bn:03798181n
Noun Concept
Categories: Units of time, Wikipedia articles incorporating a citation from the 1911 Encyclopaedia Britannica with Wikisource reference, Articles with short description, Pendulums, Units of length
EN
seconds pendulum
EN
A seconds pendulum is a pendulum whose period is precisely two seconds; one second for a swing in one direction and one second for the return swing, a frequency of 0.5 Hz. Wikipedia
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EN
A seconds pendulum is a pendulum whose period is precisely two seconds; one second for a swing in one direction and one second for the return swing, a frequency of 0.5 Hz. Wikipedia
Pendulum whose period is precisely two seconds Wikidata
Wikipedia
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