Storyline. In the Blue Ridge Mountains of Virginia, during the Great Depression, the Walton family makes its small income from its saw mill on Walton's Mountain. The story is told through the eyes of John Boy, who wants to be a novelist, goes to college, and eventually fulfills his dream.
The SI unit for period is the second. For counts per unit of time, the SI unit for frequency is hertz (Hz), named after the German physicist Heinrich Hertz; 1 Hz means that an event repeats once per second.A previous name for this unit was cycles per second (cps).or each dot, f is the frequency in hertz (Hz) â meaning the number of times per second (i.e. cycles per second) that it flashes â while T is the flashes' period in seconds (s), meaning the number of seconds per cycle. Each T and f are reciprocal.
a. a portion of time specified in some way: the Arthurian period; Picasso's blue period. b. (as modifier): period costume. 3. (Physiology) a nontechnical name for an occurrence of menstruation. 4. (Geological Science) geology a unit of geological time during which a system of rocks is formed: the Jurassic period.