How are seismic waves used to learn about the structure of the inner layers of the...
- How are seismic waves used to learn about the structure of the inner layers of the Earth?
Homework Answers
Seismic waves are sent through the earth during earthquakes, and those energy waves are what cause the ground to shake as they travel through it.
Seismic waves travel at different speeds when they pass through different types of material, so by studying seismograms, scientists can learn a lot about Earth's internal structure.
Body waves are seismic waves that travel through Earth's interior, or its 'body'. Surface waves are seismic waves that travel through Earth's surface.
Since the information recorded on a seismogram tells us how fast body waves are moving when they travel through Earth, we can tell what type of material they're traveling through. As body waves travel through the Earth's internal layers, their speed changes, causing the wave to 'bend'.
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How are seismic waves used to learn about the structure of the
inner layers of the...
11 In the crust of the earth, seismic waves of the P type have a speed...
11 In the crust of the earth, seismic waves of the P type have a speed of almost 5 km/s; waves of the S type have a speed of about 3 km/s. Suppose that after an earthquake, a seismometer placed at some distance first registers the arrival of P waves and 9 min later the arrival of S waves. What is the distance between the seismometer and the source of the waves?
Earthquakes at fault lines in Earth's crust create seismic waves, which are longitudinal (P-waves) or transverse...
Earthquakes at fault lines in Earth's crust create seismic waves, which are longitudinal (P-waves) or transverse (S-waves). The P-waves have a speed of about 7 km/s. Estimate the average bulk modulus of Earth's crust given that the density of rock is about 2500 kg/m3. Pa
6. (1 point) 6. From the Oliver room, you are detecting seismic waves on your seismograph....
6. (1 point) 6. From the Oliver room, you are detecting seismic waves on your seismograph. At 12:00, you detect a longitudinal P wave, which travels at 8000 A 12: 01, you detect a transverse S wave, which travels through the earth slower at a speed of 4000 . Assuming that the waves travel in straight lines, how far from you was the earthquake? _(include units)
002 10.0 points Earthquakes produce two kinds of seismic waves: he longitudinal primary waves (called P...
002 10.0 points Earthquakes produce two kinds of seismic waves: he longitudinal primary waves (called P waves) and the transverse secondary waves (called S waves). Both S waves and P waves travel through Earth's crust and mantle, but at different speeds; the P waves are always faster than the S waves, but their exact speeds depend on depth and location. For the pur- pose of this exercise, we assume the P wave's speed to be 8380 m/s while the S...
3. Earthquake warning system A typical earthquake produces two types of seismic waves. P ("primary" seismic...
3. Earthquake warning system A typical earthquake produces two types of seismic waves. P ("primary" seismic waves are longitudinal waves that move through the earth's upper crust with speed anywhere from 3 km/s to 5 km/s (the exact speed depends on the local composition of the earth's crust). S ("secondary") waves are transverse waves that move slower than P waves. The S-wave speed is typically about 60% less than the P-wave speed in any given material. The map below shows...
Question 6 (3 points) An earthquake emits both S-waves and P-waves which travel at different speeds...
Question 6 (3 points) An earthquake emits both S-waves and P-waves which travel at different speeds through the earth. An S-wave travels at 5000 m/s and a P-wave travels at 9000 m/s. If S-waves are received at a seismic station one minute after a P-wave arrives, then how far away is the earthquake center? 88.9 km 240 km 480 km 675 km 1200 km
(a) How far apart are two layers of tissue that produce echoes having round-trip times (used...
(a) How far apart are two layers of tissue that produce echoes having round-trip times (used to measure distances) that differ by 0.528 µs? (Use 1540 m/s as the speed of sound through human tissue.) If the distance between the two layers is d, how far does to sound of interest travel? What is the relationship between the distance the sound travels, the speed at which the sound travels and the time of travel? m (b) What minimum frequency...
Describe how the relationships between the independent variables and hidden layers are represented? What about the...
Describe how the relationships between the independent variables and hidden layers are represented? What about the hidden layers to the dependent variable?
Describe the structures of the adrenal gland. How you would identify each of the five layers...
Describe the structures of the adrenal gland. How you would identify each of the five layers seen under the microscope (Hint, the outermost is made of dense irregular connective tissue)? And, name 1-2 materials produced by each of the four inner layers. 9pts
Question 2 Explain how the inner ear would process the sound wave from the middle ear....
Question 2 Explain how the inner ear would process the sound wave from the middle ear. Enter Answer Question 3 Relating the sense of equilibrium with the question above. How would the inner ear deal with the imbalance of balance, such as when we travel in a plane, or spinning? Question 4 Recall from BIOL 241, name the nerves that would innervate with the inner ear structure. Be sure to identify the function of these innervation. Enter Answer Question 5...
11 In the crust of the earth, seismic waves of the P type have a speed of almost 5 km/s; waves of the S type have a speed of about 3 km/s. Suppose that after an earthquake, a seismometer placed at some distance first registers the arrival of P waves and 9 min later the arrival of S waves. What is the distance between the seismometer and the source of the waves?
6. (1 point) 6. From the Oliver room, you are detecting seismic waves on your seismograph. At 12:00, you detect a longitudinal P wave, which travels at 8000 A 12: 01, you detect a transverse S wave, which travels through the earth slower at a speed of 4000 . Assuming that the waves travel in straight lines, how far from you was the earthquake? _(include units)
002 10.0 points Earthquakes produce two kinds of seismic waves: he longitudinal primary waves (called P waves) and the transverse secondary waves (called S waves). Both S waves and P waves travel through Earth's crust and mantle, but at different speeds; the P waves are always faster than the S waves, but their exact speeds depend on depth and location. For the pur- pose of this exercise, we assume the P wave's speed to be 8380 m/s while the S...
3. Earthquake warning system A typical earthquake produces two types of seismic waves. P ("primary" seismic waves are longitudinal waves that move through the earth's upper crust with speed anywhere from 3 km/s to 5 km/s (the exact speed depends on the local composition of the earth's crust). S ("secondary") waves are transverse waves that move slower than P waves. The S-wave speed is typically about 60% less than the P-wave speed in any given material. The map below shows...
Question 6 (3 points) An earthquake emits both S-waves and P-waves which travel at different speeds through the earth. An S-wave travels at 5000 m/s and a P-wave travels at 9000 m/s. If S-waves are received at a seismic station one minute after a P-wave arrives, then how far away is the earthquake center? 88.9 km 240 km 480 km 675 km 1200 km
Question 2 Explain how the inner ear would process the sound wave from the middle ear. Enter Answer Question 3 Relating the sense of equilibrium with the question above. How would the inner ear deal with the imbalance of balance, such as when we travel in a plane, or spinning? Question 4 Recall from BIOL 241, name the nerves that would innervate with the inner ear structure. Be sure to identify the function of these innervation. Enter Answer Question 5...
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