Question
In: Physics
The intensity of an earthquake wave passing through the Earth is measured to be 2.5×106 J/(m2⋅s)...
The intensity of an earthquake wave passing through the Earth is measured to be 2.5×106 J/(m2⋅s) at a distance of 47 km from the source.
What was its intensity when it passed a point only 1.0 kmkm from the source?
Express your answer to two significant figures and include the appropriate units.
At what rate did energy pass through an area of 4.0 m2m2 at 1.0 kmkm ?
Express your answer to two significant figures and include the appropriate units.
Solutions
genius_generous answered 3 years agoRelated Solutions
The intensity of an earthquake wave passing through the Earth is measured to be 2.5×106 J/m2⋅s...
The intensity of an earthquake wave passing through the Earth is
measured to be 2.5×106 J/m2⋅s at a distance of 49 km from the
source.
a) What was its intensity when it passed a point only 2.0 km
from the source?
b) At what rate did energy pass through an area of 2.0 m2 at 2.0
km?
The intensity of an earthquake wave passing through the Earth is measured to be 3.0 X...
The intensity of an earthquake wave passing through the Earth is measured to be 3.0 X 106 J/m2 s at a distance of 54 km from the source.
(a) What was its intensity when it passed a point only 1.0 km from the source?
(b) At what rate did energy pass through an area of 2.0m2 at 1.0 km?
The intensity of an earthquake wave passing through the Earth is measured to be 3.0 X...
The intensity of an earthquake wave passing through the Earth is measured to be 3.0 X 106 J/m2 s at a distance of 54 km from the source.
(a) What was its intensity when it passed a point only 1.0 km from the source?
(b) At what rate did energy pass through an area of 2.0m2 at 1.0 km?
An earthquake P wave traveling at 7.7km/s strikes a boundary within the Earth between two kinds...
An earthquake P wave traveling at 7.7km/s strikes a boundary within the Earth between two kinds of material.
If it approaches the boundary at an incident angle of 44? and the angle of refraction is 33?, what is the speed in the second medium?
Express your answer to two significant figures and include the appropriate units.
An earthquake emits both S-waves and P-waves which travel at different speeds through the Earth. A...
An earthquake emits both S-waves and P-waves which travel at
different speeds through the Earth. A P=wave travels at 9000 m/s
and an S-wave travels at 5000 m/s. If the P-waves are received at a
seismic station 1 minute before an S-wave arrives, how far away is
the earthquake center?
A sound wave from a police siren has an intensity of 103.1 W/m2 at a certain...
A sound wave from a police siren has an intensity of 103.1 W/m2
at a certain point; a second sound wave from a nearby ambulance has
an intensity level that is 14 dB greater than the police siren's
sound wave at the same point. What is the intensity level of the
sound wave due to the ambulance?
5. The _______ of a sound wave is defined as the amount of energy passing through...
5. The _______ of a sound wave is defined as the amount of
energy passing through a unit area of the wave front in a unit of
time. A. compression B. intensity C. amplitude D. frequency 6. If
two waves with equal amplitudes and wavelengths travel through a
medium in such a way that a particular particle of the medium is at
the crest of one wave and at the trough of the other wave at the
same time, what...
The P-wave from an earthquake arrives at a seismic station at 10:20 am and the S-wave...
The P-wave from an earthquake arrives at a seismic station at
10:20 am and the S-wave arrives at 10:25 am. Assuming the P-wave
velocity is 5 km s−1, and that Poisson’s ratio is 0.25, compute the
time at which the earthquake occurred and its epicentral distance
(in degrees) from the seismic station.
The light at the Earth from a certain star has an intensity of about 71.5×10-8W/m2. If...
The light at the Earth from a certain star has an intensity of
about 71.5×10-8W/m2. If the star emits
radiation with the same power as our Sun, how far away is it from
Earth? NOTE: Use 1000 W/m^2 as the intensity of the Sun at the
Earth!
Radiation from the Sun reaching Earth (just outside the atmosphere) has an intensity of 1400 W/m2....
Radiation from the Sun reaching Earth (just outside the
atmosphere) has an intensity of 1400 W/m2. What
would the intensity be at Uranus?
Assuming that Earth (and its atmosphere) behaves like a flat
disk perpendicular to the Sun's rays and that all the incident
energy is absorbed, calculate the force on Earth due to radiation
pressure.
What would it be for Uranus?
What is the force on the Earth due to the sun's gravitational
attraction?
What is it for Uranus?
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