pasagot po ng maayos need ko na kase.
Use the ffollowing diagram in answering items 8-10.
8. When were the first P-waves recorded?_____
9. When were the first S-waves recorded?_____
10. What was the S-P interval? ____
Use the ffollowing diagram in answering items 8-10.
8. When were the first P-waves recorded?_____
9. When were the first S-waves recorded?_____
10. What was the S-P interval? ____
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Answer:
8.P waves travel faster than other seismic waves and hence are the first signal ... compressions and rarefactions) or primary wave (as it has high velocity and is therefore the first wave to be recorded by a seismograph).
9.S waves are transverse waves, meaning that the direction of particle motion of a S wave is perpendicular to the direction of wave propagation, and the main restoring force comes from shear stress.
10.The distance of the seismic recording station from the earthquake epicenter is determined from the time difference between the first arrival of the P-wave and the S-wave. This is known as the S-P interval.