Integrated Science
7th Edition
ISBN: 9780077862602
Author: Tillery, Bill W.
Publisher: Mcgraw-hill,
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Chapter 15, Problem 2PEA
To determine
The position of California’s portion in 20 million years if it is moving at 45 mm/yr.
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An earthquake occurs 6,875 km from a seismograph. The P-waves arrive 11.6 minutes later. How fast is the P-wave traveling (in km/s)?
If the lag time between P- and S-waves is 10.8 minutes, how fast are the S-waves traveling (in km/s)?
Using the shadow of S-waves you determine that the radius of the core is 55% of the Earth's 6,378-km radius. How many kilometers from the surface is this (in km)?
To calculate how fast the P-waves are traveling, we need to divide the distance the waves travel by the time.
vP
=
d
s
vP
= km/s
Earth's surface area is 5.10x10^8 km^2 .Earth's crust has a thickness (or depth) of 35 km and density 2.8 g/cm^3 for earth's crust.
a) Calculate the volume of earth's crust in km^3
b) Express your answer from part (a) in cm^3
c) Calculate the mass of the crust tons (t) : 1 ton=1000kg
d) Silicon's concentration in earth's crust is 2.72x105grams/ton. Calculate the mass of silicon (in grams) present in earth's crust.
According to the infographic above a recent magnitude 7.7 Earthquake was recorded in Los Angeles 2016. Earthquakes represent a release of energy as a result of the earth's tectonic plates. a) Determine the amount of energy release in ergs. b) Determine the energy release in Joules. ( Hint use the earthquake formula M = 2/3 log (E/ 10^11.8); where M is the earthquake magnitude and E is the energy of the earthquake in ergs (recall 1 erg = 10^-7 Joules))
Chapter 15 Solutions
Integrated Science
Ch. 15.1 - Sedimentary rocks are formed by the processes of...Ch. 15.1 - Which type of rock probably existed first,...Ch. 15.2 - Prob. 3SCCh. 15.2 - Prob. 4SCCh. 15.2 - Prob. 5SCCh. 15.2 - Prob. 6SCCh. 15.2 - Prob. 7SCCh. 15.3 - Prob. 8SCCh. 15.3 - According to the plate tectonics theory, seafloor...Ch. 15.3 - Prob. 10SC
Ch. 15.3 - Prob. 11SCCh. 15.3 - The ongoing occurrence of earthquakes without...Ch. 15 - Prob. 1CQCh. 15 - Prob. 2CQCh. 15 - Prob. 3CQCh. 15 - Prob. 4CQCh. 15 - What is the difference between magma and lava?Ch. 15 - Prob. 6CQCh. 15 - Prob. 7CQCh. 15 - Prob. 8CQCh. 15 - Prob. 9CQCh. 15 - Prob. 10CQCh. 15 - Prob. 11CQCh. 15 - Prob. 12CQCh. 15 - Prob. 13CQCh. 15 - Prob. 14CQCh. 15 - Prob. 15CQCh. 15 - Prob. 16CQCh. 15 - Prob. 17CQCh. 15 - Prob. 18CQCh. 15 - Prob. 19CQCh. 15 - Prob. 20CQCh. 15 - Prob. 21CQCh. 15 - Prob. 22CQCh. 15 - Why are there no active volcanoes in the eastern...Ch. 15 - Prob. 24CQCh. 15 - Prob. 25CQCh. 15 - Prob. 26CQCh. 15 - Prob. 27CQCh. 15 - If the distance between the city of Charleston,...Ch. 15 - Prob. 2PEACh. 15 - Prob. 3PEACh. 15 - Prob. 4PEACh. 15 - Prob. 1PEBCh. 15 - Prob. 2PEBCh. 15 - Wood floating in water can demonstrate how the...Ch. 15 - Prob. 4PEB
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- Earth's surface area is 5.10x10^8 km^2 .Earth's crust has a thickness (or depth) of 35 km and density 2.8 g/cm^3 for earth's crust. d) Silicon's concentration in earth's crust is 2.72x105grams/ton. Calculate the mass of silicon (in grams) present in earth's crust.arrow_forwardAccording to the infographic above a recent magnitude 6.1 Earthquake was recorded. Earthquakes represent a release of energy as a result of the earth's tectonic plates. a) Determine the amount of energy release in ergs. b) Determine the energy release in Joules. ( Hint use the earthquake formula M = 2/3 log (E/ 10^11.8); where M is the earthquake magnitude and E is the energy of the earthquake in ergs (recall 1 erg = 10^-7 Joules)). c) Using the earthquake magnitude scale below to qualitatively categorize (was it Minor, Light, Moderate, Strong, Major or Great) and describe the earthquake (what kind of damage is expected from a magnitude 6.1 earthquake).arrow_forwardAccording to the infographic above a recent magnitude 6.1 Earthquake was recorded. Earthquakes represent a release of energy as a result of the earth's tectonic plates. a) Determine the amount of energy release in ergs. b) Determine the energy release in Joules. ( Hint use the earthquake formula M = 2/3 log (E/ 10^11.8); where M is the earthquake magnitude and E is the energy of the earthquake in ergs (recall 1 erg = 10^-7 Joules)arrow_forward
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