Question

14. How do rock particles move during the passage of a P wave through the rock?
back and forth parallel to the direction of wave travel
b. back and forth perpendicular to the direction of wave travel
c. in a rolling circular motion
d. the particles do not move​

Answer 1

Answer:

in a rolling motion is the correct answer

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Answer 2

Answer:

A) back and forth parallel to the direction of wave travel

Explanation:

• Particles of rock move forward and back during the passage of the P waves. Primary waves can travel through both fluids and solids.

• The P wave travels at a speed of 6 km/sec through rock, with particle movements parallel to the propagation direction. With a speed of 4 km/sec, the S wave propagates with particle movements that are perpendicular to the propagation direction.