what is thermal conductivity?
Explanation:
Thermal conductivity is a measure that refers to the rate at which heat is transferred by conduction through a unit cross-section area of a material.
or in simpler terms how well a substance conducts heat.
its formula is seen in the attachment. hope this helps.
Which type of fault is shown by the illustration below where the hanging wall moves down relative to the foot wall?
A. normal fault
B. reverse fault
C. strike slip fault
D. thrust fault
Answer:
A. normal fault NOT
B. reverse fault YES IT IS
Explanation:
I hope this helps
Have a Blessed Day
a 1.7 cm × 1.7 cm × 1.7 cm box with its edges aligned with the xyz-axes is in the electric field e⃗ =(370x 150)i^n/c, where x is in meters. What is the electric flux through the box?
The net flux through the box is zero, which means that the total electric charge enclosed by the box is also zero.
Describe Flux?Flux is a concept that arises in various fields of physics and engineering, including electromagnetism, fluid mechanics, and thermodynamics. In general, flux refers to the flow of some physical quantity across a surface or through a volume.
In electromagnetism, the electric flux is a measure of the amount of electric field passing through a given area. It is defined as the surface integral of the electric field over a closed surface. Mathematically, the electric flux is given by the dot product of the electric field and the surface area vector, integrated over the surface. The units of electric flux are volts per meter (V/m) or newtons per coulomb (N/C).
The electric flux through a closed surface is given by the surface integral of the electric field over that surface. In this case, the surface is the six faces of the box.
To find the electric flux through the box, we need to calculate the surface integral of the electric field over each of the six faces of the box and add them up.
Let's first consider the face with normal vector in the positive x direction. The area of this face is (1.7 cm)² = 0.0289 m². The electric field is given by e⃗ =(370x 150)iⁿ/c, where x is the distance from the origin along the x-axis. On this face, x ranges from 0 to 0.017 m. Therefore, the flux through this face is:
Φ_x = ∫∫ E · dA = ∫∫ e_x dA
= ∫∫ e_x dx dy
= ∫0⁰⁰¹⁷ ∫0 ⁰⁰¹⁷(370x) dx dy
= (370/2) (0.017)²
= 5.8775 × 10^⁻⁵ N·m²/C
The faces with normal vectors in the positive y and z directions have the same area and the same integral, so the total flux through these three faces is:
Φ_xyz = 3 Φ_x
= 1.76325 × 10⁻⁴ N·m²/C
Similarly, the faces with normal vectors in the negative x, y, and z directions also have the same integral, which is equal in magnitude but opposite in sign to the integral for the corresponding positive faces. Therefore, the total flux through these three faces is:
Φ_-xyz = -3 Φ_x
= -1.76325 × 10⁻⁴ N·m²/C
The net flux through the entire box is the sum of the fluxes through all six faces:
Φ_net = Φ_xyz + Φ_-xyz
= 0 N·m^2/C
Therefore, the net flux through the box is zero, which means that the total electric charge enclosed by the box is also zero.
To know more about charge visit:
https://brainly.com/question/14950658
#SPJ1
my gosh im in fifth grade and need an answer stat dude what causes lightning
A. build up of electrical charges in the clouds
B. flow of electrical charges among clouds
C. light energy created in the clouds
D. reflection of light in the clouds
Answer:
it's either A or B because lighting is an electrical discharge caused by imbalance between storm clouds and the ground
Explanation:
pretty sure it's A though
Which of the following statements about the 2-approximate algorithm for the metric undirected traveling salesman problem (MUTSP) is correct? O By traversing the edges of a spanning tree in an appropriate order, we build a tour which may visit some vertices more than once and whose total cost is exactly twice as large as the cost of the spanning tree O The cost of a minimum-cost spanning tree is at least as large as the cost of an MUTSP solution O When applied to a graph where the triangle inequality is not satified, the algorithm still leads to a 2-approximate solution.
The correct statement about the 2-approximate algorithm for the metric undirected traveling salesman problem (MUTSP) is: "When applied to a graph where the triangle inequality is not satisfied, the algorithm still leads to a 2-approximate solution."
The 2-approximate algorithm for the MUTSP involves constructing a minimum-cost spanning tree and then traversing its edges in a specific order to create a tour. However, this algorithm does not guarantee an optimal solution.
The first statement, "By traversing the edges of a spanning tree in an appropriate order, we build a tour which may visit some vertices more than once and whose total cost is exactly twice as large as the cost of the spanning tree," is incorrect.
The tour constructed by the algorithm may visit some vertices more than once, but its total cost is not exactly twice as large as the cost of the spanning tree.
The second statement, "The cost of a minimum-cost spanning tree is at least as large as the cost of an MUTSP solution," is also incorrect.
The cost of a minimum-cost spanning tree is generally smaller than the cost of an MUTSP solution, as the MST only considers the connectivity of the graph and not the requirement to visit all vertices.
The correct statement is the third one: "When applied to a graph where the triangle inequality is not satisfied, the algorithm still leads to a 2-approximate solution."
The triangle inequality states that the direct distance between two vertices in a graph is always shorter than or equal to the sum of the distances through any intermediate vertex.
Despite violating the triangle inequality, the 2-approximate algorithm still guarantees a solution whose cost is at most twice the cost of an optimal solution for the MUTSP.
The 2-approximate algorithm for the MUTSP provides a solution that is guaranteed to be at most twice the cost of an optimal solution, even when applied to graphs where the triangle inequality is not satisfied.
To know more about algorithm visit:
https://brainly.com/question/30453328
#SPJ11
why the first hill of a roller coaster must be the tallest.
We know that the mechanical energy is conserved, that is:
\(K_i+U_i=K_f+U_f\)Which means that when the car is riding down the potential energy is being converted to kinetic energy; conversely, when the car is riding up the kinetic energy is being converted to potential energy.
Now, the first hill has to be the tallest so that at that point the car has the greater potential energy and for conservation of energy we make sure that the car can climb up all the remaining hills on the roller coaster without getting stopped and without having the need of making more work on the roller coaster.
Answer:
So the roller coaster can gain momentum.
Explanation:
17. When people replace systems, even when they still work, this is an example of... *
A. Consumerism
B. Automation
C. Manual Labour
D. None of the above
I'm gonna have to guess B) Automation sorry if I get it incorrect
Joe accelerates from rest to 3 m/s in 20 seconds. Calculate the power his metabolism provided.
The power his metabolism provided is (9/40) times the mass of Joe's body.
Power is defined as the rate at which work is done or energy is transferred. In this case, we can calculate the power provided by Joe's metabolism using the equation:
Power = Work / Time
Given that Joe accelerates from rest to 3 m/s, we can assume that the work done by Joe's metabolism is equal to the change in kinetic energy of his body.
The change in kinetic energy (ΔKE) can be calculated using the formula:
ΔKE = (1/2) * m * (vf^2 - vi^2)
Where:
m is the mass of Joe's body (assuming constant)
vf is the final velocity (3 m/s)
vi is the initial velocity (0 m/s)
Given:
Final velocity (vf) = 3 m/s
Initial velocity (vi) = 0 m/s
Time (t) = 20 seconds
First, we need to calculate the change in kinetic energy:
ΔKE = (1/2) * m * (vf^2 - vi^2)
ΔKE = (1/2) * m * (3^2 - 0^2)
ΔKE = (1/2) * m * (9 - 0)
ΔKE = (1/2) * 9m
Now, we can calculate the power:
Power = ΔKE / t
Power = [(1/2) * 9m] / 20
Since we don't have the specific mass of Joe's body, we cannot calculate the exact power value. However, we can express the power provided by Joe's metabolism as:
Power = (9/40) * m
Therefore, the power his metabolism provided is (9/40) times the mass of Joe's body.
To know more about kinetic energy, visit:
https://brainly.com/question/999862
#SPJ11
I NEED HELP PLEASE, THANKS! Describe each Newton Law. :)
Explanation:
Newton's first law: Inertia
"An object in motion stays in motion, and an object at rest stays at rest, until acted upon by an unbalanced force."
This means that an object does not speed up, slow down, or change direction, unless the forces acting on it are unbalanced.
Newton's second law: Net force
∑F = ma
The net force (the sum of the forces acting on an object) is equal to the object's mass times its acceleration.
Newton's third law: Action/reaction
"For every action, there is an opposite and equal reaction."
This means that when one object pushes on another object (action), the second object pushes back with an equal and opposite force (reaction).
what are groups of periodic table
Explanation:
there are 8 groups of the periodic table
group number one is of the alkali metals
group number two use of the alkaline Earth metals
group number three is known as group (III)
group number for is known as group IV
group number V is known as group V group number six is known as group VI
group number seven is known as halogens
and group number eight is of the noble gases
the periodic table does not have 18 groups as the elements between group III and group IV all known as the transition metals.
What is the force of gravity?
Answer:
2. 4.63 x 10 to the -11th power
Explanation:
m1 = 3.1, m2= 6.3, d = 5.3, G = 6.67 × 10^-11
m1 · m2 = 3.1 · 6.3 = 19.5
d² = 5.3² = 28.1
19.5/28.1 = 0.694
(6.67 · 10^-11) · 0.694 = 4.63 × 10^-11
Answer:
Natural phenomenon
Explanation:
Gravity, or gravitation, is a natural phenomenon by which all things with mass or energy—including planets, stars, galaxies, and even light—are attracted to one another.
Examples of this can be:
The force that holds the gases in the sun.
The force that causes a ball you throw in the air to come down again.
The force that causes a car to coast downhill even when you aren't stepping on the gas.
The force that causes a glass you drop to fall to the floor.
What might be some advantages of using electromagnets instead of permanent magnets?.
A 500 g metal sphere is heated to 300 degree C, then dropped into a beaker containing 300 cubic cm of mercury at 20.0 degree C. A short time later the mercury temperature stabilizes at 99.0 degree C. Identify the metal.
The metal can be identified by comparing its specific heat capacity to known values. By calculating the heat gained by the mercury and equating it to the heat lost by the metal sphere, the specific heat capacity of the metal can be determined. Comparing the calculated value of approximately 0.033 J/g·°C to known values allows for the identification of the metal.
To identify the metal, we can use the principle of heat transfer and the specific heat capacities of the materials involved.
First, we need to calculate the heat gained by the mercury in the beaker. The equation for heat transfer is given by:
Q = mcΔT
Where Q is the heat gained, m is the mass of the substance, c is the specific heat capacity, and ΔT is the change in temperature.
For the mercury, with a mass of 300 \(cm^3\) (which is equivalent to 300 g since the density of mercury is approximately 1 g/\(cm^3\)), a specific heat capacity of 0.14 J/g·°C, and a temperature change of 99.0 - 20.0 = 79.0 °C, we can calculate the heat gained by the mercury:
Q_mercury = (300 g) * (0.14 J/g·°C) * (79.0 °C) = 3322 J
Since the heat lost by the metal sphere is equal to the heat gained by the mercury, we can set up the equation:
Q_metal = Q_mercury
The heat lost by the metal sphere can be calculated using the equation:
Q_metal = mcΔT
Where m is the mass of the metal sphere (500 g), c is the specific heat capacity of the metal, and ΔT is the change in temperature (300 °C - 99 °C = 201 °C).
Plugging in the values, we get:
(500 g) * c * (201 °C) = 3322 J
Solving for c, the specific heat capacity of the metal:
c = 3322 J / (500 g * 201 °C)
c ≈ 0.033 J/g·°C
By comparing this specific heat capacity to known values, we can identify the metal. Each metal has a unique specific heat capacity, so we would need to consult a reference table or database to find the metal that closely matches the calculated specific heat capacity of approximately 0.033 J/g·°C.
To know more about heat capacity refer to-
https://brainly.com/question/28302909
#SPJ11
What is the acceleration of a 65 kg object pushed with a force of 500 newtons?
Answer:
7.69 m/s²Explanation:
The acceleration of an object given it's mass and the force acting on it can be found by using the formula
\(a = \frac{f}{m} \\ \)
f is the force
m is the mass
From the question we have
\(a = \frac{500}{65} = 7.692307... \\ \)
We have the final answer as
7.69 m/s²Hope this helps you
If the average intensity of the sunlight in Maricopa County is 1100 W/m2, what is the average magnitude of the force this light exerts on a 0.2 m2 surface of a perfect mirror that perfectly reflects the light
This means that the average magnitude of the force that sunlight exerts on a 0.2 m2 surface of a perfect mirror is 3.67 x 10^-6 N.
To find the average magnitude of the force that sunlight exerts on a 0.2 m2 surface of a perfect mirror, we need to use the formula for radiation pressure.
Radiation pressure is the force exerted by the electromagnetic radiation of a light wave on a surface. The formula for radiation pressure is P = I/c, where P is the pressure, I is the intensity of the radiation, and c is the speed of light.
In this case, the average intensity of the sunlight in Maricopa County is given as 1100 W/m2. We can use this value to calculate the pressure exerted by the sunlight on a 0.2 m2 surface of a perfect mirror.
First, we need to convert the intensity of the sunlight from W/m2 to N/m2, which is the unit of pressure. We know that 1 W/m2 = 1 N/m2, so the intensity of the sunlight is also 1100 N/m2.
Next, we need to divide the intensity by the speed of light, which is approximately 3 x 10^8 m/s.
P = I/c = 1100 N/m2 ÷ 3 x 10^8 m/s = 3.67 x 10^-6 N/m2
To learn more about : average magnitude
https://brainly.com/question/30337362
#SPJ11
Describe another model in science that you have learned about that you think may have been revised over time as scientists have gathered new evidence.
Which types of light are absorbed by genetic material?
ultraviolet (UV)
visible
infrared (IR)
microwave F radio
Explanation:
the answerer is visible
Genetic material is known to absorb UV light. Given what we know, we can confirm that genetic material is not known to absorb light originating from an infrared or microwave radio source.
What light does genetic material absorb?Genetic material is the hereditary substance in the cell. It carries all information specific to an organism. It is known as DNA (deoxyribonucleic acid) or RNA (ribonucleic acid)
UV light is electromagnetic radiation, and the primary source of UV light that we are exposed to is the sun.
Therefore, given that the only form of light listed that genetic material is known to absorb is that of Ultraviolet or UV light, we can confirm that the answer to the question proposed is infrared and microwave radio light.
To learn more about UV light visit:
brainly.com/question/13695751
The flow of water from Northern California has a temperature of approximately 5°C and a viscosity (kinematics) of 0.8926 m2/s traveling at 8 knots. On the Pacific coast of the Baja California peninsula, the water temperature is 15°C, its viscosity (kinematics) is 1.1386 with a speed of 16 knots. the length it travels is 1000 km, what type of fluid do we have on both coasts?
laminar fluid <2100
transition 2,100-4,000
turbulent fluid >4000
Re=(Velocity)(Length)/ VISCOSITY
The flow of water from Northern California has a temperature of approximately 5°C and a viscosity (kinematics) of 0.8926 m2/s traveling at 8 knots. On the Pacific coast of the Baja California peninsula, the water temperature is 15°C, its viscosity (kinematics) is 1.1386 with a speed of 16 knots.
The length it travels is 1000 km, what type of fluid do we have on both coasts?To determine the type of fluid that we have on both coasts, we need to calculate the Reynolds number (Re).The Reynolds number is used to predict flow patterns in different fluid flow situations. It is defined as the ratio of the inertial forces to the viscous forces and consequently is used to identify the type of flow. The Reynolds number can be used for a variety of flow scenarios including, liquid to gas, liquid to liquid, and gas to gas.
To calculate the Reynolds number, we need the following formula: Re = (Velocity)(Length) / ViscositySubstituting the given values in the equation;For the water from Northern CaliforniaRe= (8 knots x 1000 km) x 1000 m/km / 0.8926 m2/s= 89,728,387.60Re = 8.9 x 107For the water from the Pacific coast of the Baja California peninsula,Re= (16 knots x 1000 km) x 1000 m/km / 1.1386 m2/s= 14,033,487.51Re = 1.4 x 107From the given Reynolds numbers calculated above, the fluid on both coasts of California is in turbulent flow because the Reynolds number is greater than 4000.The correct option is Turbulent fluid >4000.
To know more about viscosity (kinematics) visit :
https://brainly.com/question/13087865
#SPJ11
Equal masses are suspended from two separate wires made of the same material. The wires have identical lengths. The first wire has a larger cross-sectional area than the second wire. Which wire will stretch the least?.
The original lengths of both wires are equal, the thicker wire will stretch less as a result since Young's Modulus predicts that its original length will change less.
Young's modulus is a measurement of a material's capacity to endure changes in length when subjected to compression or tension along its length. Young's modulus, also known as the modulus of elasticity, is determined by dividing the longitudinal stress by the strain. i.e.Young's modulus = stress/strain
We can assume that the thicker wire must have less strain if it suffers less stress than the thinner wire because strain is defined as the percentage change in length.
Therefore we can said that, For the Young's modulus to remain constant, which it does, it must also drop correspondingly as strain rises. The thicker wire will stretch less as a result since its original length will change less because both wires started off the same length.
To know more about Young's Modulus
https://brainly.com/question/29033151
#SPJ1
Find the average velocity of the following 4 velocity measurements:
9.6 m/s
8.8 m/s
7.6 m/s
8.7 m/s
Leave your answer correct to three decimal places.
The average velocity of the following 4 velocity measurements will be d) 8.7 m/s
average of given velocities = sum of all velocities divided by number of velocity mentioned in the question
average velocity = ( v1 + v2 + v3 + v4 ) / 4
= ( 9.6 + 8.8 + 7.6 + 8.7 ) / 4 = 8.675 ≈ 8.7 m/s
correct answer d)
The average velocity of the following 4 velocity measurements will be d) 8.7 m/s
To learn more about velocity here :
https://brainly.com/question/18084516
#SPJ1
What is the S-P interval (lag time) for the seismogram at the Maesters station at The Eyrie (EYR)? a. 29 sec b. 32 sec c. 44 sec d. 72 sec e. 81 sec
Step 1:
The main answer is as follows:
The S-P interval (lag time) for the seismogram at the Maesters station at The Eyrie (EYR) is X seconds.
Step 2:
What is the duration of the S-P interval (lag time)?
Step 3:
The S-P interval, also known as the lag time, is the time difference between the arrival of the S-wave and the P-wave on a seismogram. The S-wave is a secondary wave that follows the primary P-wave in seismic events. By measuring the time interval between the arrival of these two waves, seismologists can estimate the distance between the seismic event and the recording station.
To determine the S-P interval, seismologists analyze the seismogram recorded at the Maesters station at The Eyrie (EYR). They identify the arrival times of the P-wave and the S-wave and calculate the time difference between them. This lag time provides valuable information about the distance of the earthquake from the station.
In this case, the specific value of the S-P interval is not provided, so it cannot be determined without additional information. The correct option can only be determined by referring to the specific seismogram or data associated with the seismic event.
Learn more about Seismology
#SPJ11
HELP ME PLEASE WITH MY HOMEWORK ILL GIVE BRAINLIEST
Answer: Mass
Explanation:
PLEASE HELP MEE PLEASE I BEG
Explanation: (I think)
Plug your values into the momentum equation.
So m1= 63kg
m2 = 10 kg
V1 = 12 m/s
And then plug in your values and solve for your unknown (v2)
Which classifications of WMD are combined in the same category when using the mnemonic B-NICE?
A.
Biological and incendiary
B.
Chemical and explosive
C.
Incendiary and explosive
D.
Radiological and nuclear
B-NICE is a mnemonic that can be used to identify biological, nuclear, incendiary, chemical, and explosive weapons of mass destruction. Chemical and explosive are combined in the same category when using the mnemonic B-NICE.
The acronym B-NICE stands for Biological, Nuclear, Incendiary, Chemical, and Explosive, and it is a simple way of categorizing various types of weapons of mass destruction, including those that might be used in a terrorist attack. B-NICE is not a comprehensive list of all possible WMD classifications, but it covers the most commonly used classifications. All of these classifications of WMDs have the potential to cause significant damage and loss of life, and each has unique characteristics that make it a particular concern to those charged with national security. WMDs, as the name implies, are weapons that have the potential to cause mass destruction on a large scale. As such, they are a significant concern for national security and public safety.
When using the mnemonic B-NICE, the chemical and explosive classifications of WMDs are combined in the same category.
To know more about mnemonic :
brainly.com/question/6280268
#SPJ11
laser with wavelength 633 nm illuminates a single slit of width 0.185 mm. The diffraction pattern is seen on a screen. The distance between the first and second dark fringes is 8.25 mm. How far is the screen from the slit
A ball is released from the bottom of an elevator which is travelling upward with a velocity of 6 ft/s. If the ball strikes the bottom of the elevator shaft in 3 s. Determine the height of the elevator from the bottom of the shaft at the instant the ball is released
Explanation:
df = do + vot + 1/2 at ^2 do = what you are looking for df = ground = 0
0 = do + 6 (3 ) + 1/2 ( -9.81) (3^2)
do = 26.1 m
Table salt is made up of one sodium atom and one chlorine atom. Is table salt an element
Obstructions that prevent a safe and orderly exit are an example of which type of unsafe behavior?
Select one:
a. Unintentional ignition sources
b. Inadequate housekeeping
c. Improper storage of flammable liquids
d. Improper storage of combustible liquids
Obstructions that prevent a safe and orderly exit are an example of inadequate housekeeping, which is a type of unsafe behavior. Option B is the correct answer.
Inadequate housekeeping refers to a failure to keep the workplace clean, organized, and free of hazards. It can result in slips, trips, falls, and other accidents that can cause injury or even death.
Proper housekeeping includes keeping floors free of debris, ensuring that tools and equipment are properly stored, and maintaining a clutter-free workspace.
By practicing good housekeeping, employers can help prevent accidents, improve productivity, and create a safer work environment for their employees.
Learn more about Obstructions at
https://brainly.com/question/9487689
#SPJ4
increasing the frequency of each photon that is directed at the cathode will:
Increasing the frequency of each photon that is directed at the cathode will increase the energy of each photon. This increased energy can help overcome the work function of the cathode, allowing more electrons to be emitted in the photoelectric effect.
Increasing the frequency of each photon that is directed at the cathode will:
1. Increase the energy of each photon: The energy of a photon is directly proportional to its frequency. This can be represented by the formula E = hf, where E is the energy of the photon, h is Planck's constant, and f is the frequency of the photon.
2. Potentially increase the kinetic energy of the emitted electrons: When a high-frequency photon strikes the cathode, it can transfer more energy to the electrons, causing them to be ejected with a higher kinetic energy. This can be explained using the photoelectric effect equation: KE = hf - Φ, where KE is the kinetic energy of the emitted electron, Φ is the work function of the cathode material, and hf is the energy of the incident photon.
To know more about photon Visit:
https://brainly.com/question/29409292
#SPJ11
An empty space defined by its surround is known as ________ shape.