Earthquake waves are classified as P waves and S waves. Which of the following statements is true about these waves?
a. The P wave is transverse as is the S wave.
b. The P wave is longitudinal as is the S wave.
c. The P wave is transverse and the S wave is longitudinal.
d. The P wave is longitudinal and the S wave is transverse.
e. Both the P and S waves are mixtures of longitudinal and transverse waves.
d
You might also like to view...
A light ray, traveling obliquely to a concave mirror's surface, crosses the axis at the mirror's focal point before striking the mirror's surface. After reflection, this ray
A) travels parallel to the mirror's axis. B) travels at right angles to the mirror's axis. C) passes through the mirror's center of curvature. D) passes through the mirror's focal point. E) passes through the axis midway between the mirror's focal point and center of curvature.
An ideal gas is at a pressure 1.00 × 105 N/m2 and a volume 2.00 m3. If the gas is compressed to a volume 1.00 m3 while the temperature remains constant, what will be the new pressure in the gas?
A) 0.500 × 105 N/m2 B) 4.00 × 105 N/m2 C) 1.00 × 105 N/m2 D) 2.00 × 105 N/m2 E) The answer depends on the mass of the gas particles.
The reinforcing material with the highest strength available for composites is
(a) Whiskers (b) Graphite fibers (c) SiC fibers (d) OUHMWPE
In science, an unexpected change in a series of measurements is referred to as
A) a deviation B) bias C) an error D) an uncertainty