COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Chapter 13, Problem 5QAP
To determine
To Explain: The damage caused due to P wave of the Earthquake and compare the same with S wave.
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Earthquake S waves have a speed of 3000 m/s. P waves have a speed of 5000 m/s. P waves are detected 2.58 minutes before S waves by aseismograph. How far is the earthquake's epicenter from the seismograph?
Options:
a
1.06 x 10^6 m
b
2.5 x 10^6 m
c
1.3 x 10^6 m
d
1.16 x 10^6 m
When a earthquake occurs, transverse and longitudinal waves are produced. These waves do not have the same speed, so one way to detect the hypocenter of the earthquake is to know the time difference between the waves. If the transversal ones travel at 14.5 km/s and the longitudinal ones at 7.8 km/s, at what depth did the earthquake occur if they reach the epicenter 14 seconds apart?
If the P wave intensity of an earthquake which is 100 km from the source is 1.0 x 10 ̂ 6 W / m2. What is the intensity 400 km from the source
Answer :
A. 6.25 x 10 ̂ 4 W / m2
B. 7.55 x 10 ̂ 4 W / m2
C. 5.45 x 10 ̂ 4 W / m2
D. 4.35 x 10 ̂ 4 W / m2
Chapter 13 Solutions
COLLEGE PHYSICS
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