per second). Radio stations are also known by their frequencies. If you tune into an AM
station shown on the dial at 950, the frequency of the radio waves transmitted by the
station is 950 kHz.
Period
Time of one complete cycle of motion
T represents period
Units: seconds (s)
Frequency
f = 1/T
Cycles per second
Units: hertz (Hz)
What is the period? What is the
frequency?
T = 4.0 s
f = 1/T = 0.25 Hz
(^278) Copyright Kinetic Books Co. 2000-2007 Chapter 14