MindTap Engineering, 1 term (6 months) Printed Access Card for Dunlap's Sustainable Energy, SI Edition, 2nd
2nd Edition
ISBN: 9781337551779
Author: DUNLAP, Richard A.
Publisher: Cengage Learning
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A wave with a period of 8 seconds and a height of 5.5 meters propagates in a water depth of 15 meters. What are the horizontal and vertical velocities and accelerations at an elevation of 5 meters below the still water level when the phase angle is 60 degrees?
What is the celerity of a 25 m tall tsunami propagating through 10m deep water with a wavelength 215 m
11.3 A seismograph recording from the 1978 Magnitude 7.4 earthquake in Tabas, Iran, is shown below.
Different wave patterns are observed in this seismograph.
Acceleration (g)
0.5
D'D
-0.5
0
10
20
30
40
Time (seconds)
a) Which parts of the seismogram represent P-wave and S-wave?
b) Which wave (P-wave or S-wave) arrived first?
c) Which wave (P-wave or S-wave) caused the strongest shaking?
d) What was the approximate peak (maximum) ground acceleration?
e) What was the total recording duration in this seismograph?
f) What is the approximate duration of the strongest ground shaking?
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MindTap Engineering, 1 term (6 months) Printed Access Card for Dunlap's Sustainable Energy, SI Edition, 2nd
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