Good evening, I would like some help with this question. 6 Please note: only sta

Question

Good evening,

I would like some help with this question. 6

Please note: only state the answer. No explanation is needed. Thank you very much.

What is the relationship between the arrival times of the P and S waves from a given earthquake, with respect to increasing distance from the epicenter?

The difference between the P and S wave arrival times increases moving away from the epicenter.

The difference between P and s wave arrival times decreases moving away from the epicenter.

The difference between P and S arrival times remains the same moving away from the epicenter.

There is no relationship between the arrival times moving away from the epicenter.

There is no relationship between P and S waves, period.

The difference between the P and S wave arrival times increases moving away from the epicenter.

The difference between P and s wave arrival times decreases moving away from the epicenter.

The difference between P and S arrival times remains the same moving away from the epicenter.

There is no relationship between the arrival times moving away from the epicenter.

There is no relationship between P and S waves, period.

Explanation / Answer

answer)option A) The difference between the P and S wave arrival times increases moving away from the epicenter

REASON : BY calculating The difference in the arrival times of the waves we can estimate the distance of an earthquake from that point

difference of arrival time = distance from earthquake / (S-wave speed) - distance from earthquake / (P-wave speed)

from the formula , as the we move away from the epicentre the distance increases

So, the difference in arrival time also increases

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