Earthquakes can produce three types
of waves. One of these is a
transverse wave called an S wave. A
typical S wave travels at 500m/s. Its
wavelength is about 420 meters.
What is its frequency?
A. 1.19 Hz. Perpendicular
B. 0.84 Hz, Perpendicular
C. 1.19 Hz, Parallel
D. 0.84 Hz, Parallel