Under perfect price discrimination, buyers enjoy no consumer surplus at all. Instead, total surplus consists entirely of producer surplus for the monopoly.
The enterprise is allocatively green producing where the price is same to the marginal cost with the aid of proscribing output and raising rate, the unmarried fee monopolist captures a portion of the consumer surplus. When you consider that output is restrained, a portion of each the purchaser and manufacturer surplus is lost.
Price discrimination, takes place whilst a commercial enterprise fees the most feasible fee for each unit consumed. due to the fact prices range amongst devices, the firm captures all available consumer surplus for itself or the monetary surplus.
Price discrimination happens while a monopolist fees the equal consumer exceptional expenses for the distinctive gadgets of a commodity, despite the fact that these units are in truth homogeneous. this type of situation is defined as flawlessly discriminating monopoly.
Learn more about consumer surplus here:- https://brainly.com/question/13573671
#SPJ4
if an astronomer wants to find the distance to a star that is not variable and is located too far away for parallax measurements, she can:
If an astronomer wants to find the distance to a star that is not variable and is located too far away for parallax measurements, she can analyze the star's spectrum to determine its luminosity class, then interpret an H-R diagram to determine its luminosity.
Define Luminosity of a star?
The total amount of energy released by a star or other astronomical object each second is expressed as luminosity, or L. A star's luminosity is determined by its effective temperature, Teff, and radius, R.Roman numerals are used to identify luminosity classes, which indicate where a star belongs on the H-R diagram. The luminosity class and spectral type each provide information about the star's radius and temperature.
Astronomers can determine a star's supergiant, giant, or main-sequence star status based on its luminosity class.
Hence, if an astronomer has to determine the distance to a main sequence star that is not variable and is too far away to be measured by parallax, she can determine the star's brightness or surface color and then identify it on the H-R Chart.
To learn more about luminosity of star from the given link
https://brainly.com/question/6933301
#SPJ4
How long does it take oxygen to diffuse a distance of 1 mm in water at room temperature? (use d = 1x10^-9 m^2/s).
The time taken by oxygen to diffuse a distance of 1 mm in water at room temperature is 500 s.
Given that, travel distance = 1 mm
Diffusion constant for the molecule of oxygen in water = 1* 10⁻⁹ m²/s
We know the formula, t = x²/2D
where, t is time taken for diffusion in seconds
x is the distance (1 mm = 10⁻³ m)
D is the diffusion constant
t = x²/2D = (10⁻³)²/2*1* 10⁻⁹ = 1000/2 = 500 s
Thus, the time taken for oxygen to diffuse at room temperature is 500 s.
To know more about diffusion:
https://brainly.com/question/28644747
#SPJ4
when a solid melts?
a. the temp of the substance decreases
b. heat energy leaves the substance
c. heat energy enters the substance
d. the temp of the substance increases
When a solid melts Heat energy enters the substance
The way that the word "heat" is defined in thermodynamics is very different from how we often use it. Heat is the thermal energy that is transmitted when two systems with different surface temperatures come in contact. Heat is denoted by the letters q or Q, and the unit of heat measurement is joules.
Since heat is defined in the context of a process that permits energy to be transported, it is occasionally referred to as a process quantity. Although the heat that a hot cup of coffee transfers to your palm may be analyzed, the heat that the cup of coffee itself contains cannot. Heat is another significant characteristic.
To know more about Heat visit :https://brainly.com/question/14630783
#SPJ4
our sun, a type g star, has a surface temperature of 5800 k. we know, therefore, that it is cooler than a type o star and hotter than a type m star.
A g type star of 5800k is cooler than a O star and hotter than m type star.
The problems normally encountered with such circuit is the open air spark gap tending to go out of prefect adjustment due to heating as the gap effecting the magnets density.Typically use of a gas filled spark gap with magnetic quenching and it will work for longer but could not be adjusted internally so increasing the power factor to compensate. It will work long enough for detecting the transmitted wave at a distance twice that of radio waves are capabilities of power range. It only has four times the intensity and powerful buzzer star.To understand more about spark gap -
https://brainly.com/question/22992806
#SPJ4
The temperature at a point (x, y) is T(x, y), measured in degrees Celsius. A bug crawls so that its position after t seconds is given by x = squareroot l + t, y = 4 + 1/8t, where x and y are measured in centimeters. The temperature function satisfies T_x(3, 5) = 7 and T_y(3, 5) = 2. How fast is the temperature rising on the bug's path after 8 seconds? () ________ degree C/s
Fast is the temperature rising on the bug's path after 8 seconds 0.75 degree C/s.
Given temparature T=T(x,y)
position of the bug after 't' sec is given by
[tex]x=\sqrt{1+t} , y=4+\frac{1}{8}t[/tex]
at t=8 sec x=3 and y=5
rate of change of temparature is given by
[tex]\frac{\mathrm{d} T}{\mathrm{d} t}=\frac{\partial T}{\partial x}\frac{\mathrm{d} x}{\mathrm{d} t}+ \frac{\partial T}{\partial y}\frac{\mathrm{d} y}{\mathrm{d} t}[/tex]
[tex]\Rightarrow \frac{\mathrm{d} T}{\mathrm{d} t}=T_{x}\frac{1}{2\sqrt{1+t}}+T_{y}\frac{1}{8}[/tex]
at t=8 sec i.e., at x=3,y=5
given [tex]T_{x}(3,5)=7 , T_{y}(3,5)=2[/tex]
therefore rate of change of temparature in the bug's path is
[tex]\frac{\mathrm{d} T}{\mathrm{d} t}=3\frac{1}{2\sqrt{1+8}}+\frac{1}{8}(2)[/tex]
[tex]\Rightarrow \frac{\mathrm{d} T}{\mathrm{d} t}=\frac{1}{2}+\frac{1}{4}=0.75^{\circ}C/s[/tex]
Learn more about temperature here:
https://brainly.com/question/11464844
#SPJ4
a tank is 10 m long, 4 m wide, 4 m high, and contains kerosene with density 820 kg/m3 to a depth of 3.5 m. (use 9.8 m/s2 for the acceleration due to gravity.)
A tank is 10 m lengthy, 4 m wide, four m excessive, and incorporates kerosene with density 820 kg/m3 to a intensity of 3.5 m. (use nine.8 m/s2 for the acceleration because of gravity.
Acceleration is the name we provide to any way where the velocity changes. when you consider that pace is a pace and a path, there are most effective two strategies so you can boost up: exchange your velocity or change your course—or exchange every.
Acceleration, price at which pace modifications with time, in terms of each speed and path. A point or an item moving in a directly line is accelerated if it accelerates or slows down. movement on a circle is increased even supposing the rate is consistent, due to the fact the course is constantly converting.
Learn more about acceleration here:-
brainly.com/question/460763
#SPJ4
What are some problems in the neighborhood?.
8 of the most typical neighbor conflicts. the physical look of your home, pets, children, and property lines, alleged criminal activity, Parking, breaches of the building code.
Which neighborhoods come to mind?In the Rome area, foxes are frequently encountered. There was a guy who resided inside a hollow tree in my neighborhood. Over time, the neighborhood has progressively altered. We lived in the neighborhood exactly like everyone else, and we never went hungry.
How do individuals reside in a community?People choose to live in communities where they can rely on one another in the event of significant emergencies such as earthquakes, floods, thievery, or serious health issues.
To know more about Neighborhoods visit:
https://brainly.com/question/22429615
#SPJ4
for a real gas to approach the properties of an ideal gas, the pressure should be , the attractions between the gas particles should be , and the temperature should be . {fill in each blank with the word high or low as appropriate.}
For a real gas to approach the properties of an ideal gas, the pressure should be low, the attraction between the molecules should be high and temperature should be high.
An ideal gas is defined as a gas that obeys gas laws at all pressure and temperature conditions. Ideal gases have velocity as well as mass. They have no volume.The ideal gas law is the equation of the state of a hypothetical ideal gas, also called the general gas equation : pV=nRTwhere, p= pressure
V= volume
n= number of moles
R= ideal gas constant
T= temperature
When molecules are almost in contact and for ideal gas the assumption is that there are negligible attractive forces between gas molecules.Real gases show ideal behaviour when conditions of temperature and pressure are such that the intermolecular forces are practically negligible.This can only happen at very low pressure and very high temperature.To know more about gases visit:
https://brainly.com/question/12554034
#SPJ4
you want the maximum compression of the spring to be 0.28 m . what must be the force constant of the spring?
The correct answer is 3.7 m
There are many forms of energy, which prevail, however, all these forms of energy generally come under two basic categories, that is, potential energy and kinetic energy. The different forms of potential energy are chemical energy, mechanical energy, gravitational energy, and nuclear energy.
Here, in this question,
Bullet with least kinetic energy will produce least compression.
And since the Kinetic energy of B is least so the compression produced will also be the least.
M(B) = 125 g
= 8.099 * 10⁻³ kg
V(B) = 945 ft/s = 288.036 m/s
Now using the energy conservation,
(1/2)*M(B)*V(B) = 1/2*k*x²
8.099 * 10⁻³ * (288.036)² = 49 * x²
x² = 13.71
x = d = 3.7 m
Therefore the force constant at which the spring shows the least kinetic energy and compression is 3.7 m
To know more about energy, refer: https://brainly.com/question/1932868
#SPJ4
[NOTE: THIS IS AN INCOMPLETE QUESTION. THE COMLETE QUESTION IS:
Constants Part You want the maximum compression of the spring to be 0.28 m. What must be the force constant of the spring? Express your answer with the appropriate units. In your job in a police lab, you must design an apparatus to measure the muzzle velocities of bullets fired from handguns. Your solution is to attach a 2.00 kg wood block that rests on a horizontal surface to a light horizontal spring. The other end of the spring is attached to a wall. Initially the spring is at its equilibrium length. A bullet is fired horizontally into the block and remains embedded in it. After the bullet strikes the block, the block compresses the spring a maximum distance d. You have measured that the coefficient of kinetic friction between the block and the horizontal surface is 0.38. The table below lists some firearms that you will test. A grain is a unit of mass equal to k = 49 N m Submit Previous Answers 64.80 mg Correct N Correct answer is shown. Your answer 50.86 of significant figures than required for this part. was either rounded differently or used a different number III Bullet ID Bullet Muzzle Type Mass Velocity (grains) (ft/s) .38Spec Glaser 80 1667 Blue A Part D B 125 945 .38 Spec Federal .44Spec Remington .44Spec Winchester For the bullet that produces the minimum spring compression, what is the compression d if the spring has the force constant calculated in part C? Express your answer with the appropriate units. с 240 851 D 200 819 μΑ ? E .45ACP Glaser Blue 140 1355 de Value Units Submit]
a 9.0-cm-long spring is attached to the ceiling. when a 1.9 kg mass is hung from it, the spring stretches to a length of 15 cm.
In the case of a 9.0-cm-long spring attached to the ceiling, the spring constant is 207.1. The spring can be stretched to a height of 15 cm by hanging a 1.9 kilogram mass from it.
What is a spring with K value?The "spring constant," or "k," is a quantity that effectively indicates how "stiff" a spring is. It is represented by the letter "k." A greater value of k indicates that more pressure is necessary t extend it a given distance than would be necessary to stretch a spring with a lower stiffness a similar distance.
F = mg
k = ( 1.9) (9.81) = 18.639N
F/x =18.639 /0.09 =207.1. N/meter
What does spring bring every year?F = -kx. The spring constant, k, is a proportional constant. It gauges how firm the spring is. When a spring is compressed or extended to a length that differs by an amount x out of its equilibrium length, it produces a force F = -kx that pushes it back towards its equilibrium position.
To know more about spring constant visit:
https://brainly.com/question/14670501
#SPJ4
The correct question is
A 9.0-cm-long spring is attached to the ceiling. when a 1.9 kg mass is hung from it, the spring stretches to a length of 15 cm . you may want to review ( pages 219 - 221) . part a what is the spring constant k?
Is solar energy similar to light energy?.
Solar energy is not similar to the light energy.
Solar Radiant or light energy is the energy produced by the Sun due to the nuclear fusion reactions and is transmitted to the earth through space by electromagnetic radiation in the form of quanta or packets of energy called photons.
Solar energy is not exactly similar to light energy. A lot of the energy radiated by the Sun is in the form of "light", i.e. it is visible to human eyes. But a lot of the energy is invisible to us, as some of the frequencies are outside the visible light spectrum. Whereas, Light energy is a kind of kinetic energy with the ability to make types of light visible to human eyes. Light is defined as a form of electromagnetic radiation emitted by hot objects like lasers, bulbs, and the sun. Light contains photons which are minute packets of energy.
Hence, solar energy is not similar to light energy.
To more about solar energy and light energy here:
https://brainly.com/question/2823647
#SPJ4
Which equation represents a line that passes through 9 3 and has a slope of 6?.
The equation the represent the line that passes through (9, 3) and jada slope 6 is 6X-Y = 51.
The equation of the line that passes through the point (a, b) and has a slope m will have the equation as follows,
(Y-b)/(X-a) = m
Here in this case,
The line is passing from the point (9, 3) and has slope 6.
So, we can write the equation of the can be written as,
(Y-3)/(X-9) = 6
Now solving further,
Y - 3 = 6X - 54
6X-Y = 51.
Hence, the required equation of the line is 6X-Y = 51.
To know more about Equation of line, visit,
https://brainly.com/question/18831322
#SPJ4
if you dive into water, you reach greater depths than if you do a belly flop. explain this difference in depth using the concept of conservation of energy. explain
Answer: When you dive into water, your body is moving quickly and has a lot of kinetic energy. This energy is converted into potential energy as you move down into the water. You reach greater depths because you have more potential energy. When you do a belly flop, your body is moving more slowly and doesn't have as much kinetic energy. This means that less energy is converted into potential energy, and you don't reach as great of depths.
When a ball of mass m is dropped from rest from a heighth, its speed just before landing is v. Now,suppose a second ball of mass 4m is dropped from rest froma height h/4. (A) Just before ball 2 lands, is its speed4v,2v,v, v/2, or v/4? (b) Choose the bestexplanation from among the following:
I. The factor of 4 cancel; therefore , the landing speed isthe samee
II. The two balls land with the same kinetic energy;therefore, the ball mass 4m has the speed v/2.
III. Reducing te height by a factor of 4 reduces the speed bya factor of 4
I'm thinking the higher the ball, the more the velocity remainconstant, but the energy is increased
The two balls have the same energy when they land, hence the ball with mass 4m is moving at a speed of v/2.
How speed is that?Speed is defined as the ratio of the distance traveled to the time required to cover that distance. Speed is a scalar since it just has a vector and no magnitude.
What different types of speeds exist?Normal speed: The ratio of an object's total distance traveled to the whole time it took it to cover that distance is its average speed. Instantaneous speed: An object's instantaneous speed is the speed it is moving at at any given time while it is moving at a variable speed.
Briefing:Under constant acceleration,
the distance an object moves is given by d = 0.5 A T^2
d = 0.5 A (2T)^2 d = 0.5 A 4T^2 d
= 2AT^2 and 2AT^2/(0.5 AT^2)
= 2/0.5 = 4
kinetic energy is E = 0.5MV^2
Mass = M, velocity = 2V
Second object. Mass = 4M,
velocity = V Kinetic energy
first object is: KE = 0.5M(2V)^2 = 0.5M4V^2 = 2MV^2 Kinetic energy
KE = 0.5 4MV2 = 2MV2 is the second object. They are also the same.
To know more about speed visit:
https://brainly.com/question/28224010
#SPJ4
A marshmallow is toasted over a fire. It turns a golden brown and caramelizes on the outside. It begins to melt on the inside. What type of change is inside of the marshmallow undergoing?.
Chemical change is undergoing the marshmallow
A chemical change occurs when one chemical substance is transformed into one or greater exceptional materials, including whilst iron will become rust.
Chemical change is defined as the process in which the atoms of 1 or more materials are rearranged or blended to shape a new substance. Whilst a substance undergoes chemical change, the chemical properties of the substance changes and it's atoms converted into a special substance with one of a kind chemical composition.
A chemical change, also known as a chemical reaction, is a procedure in which one or extra materials are altered into one or greater new and specific substances. In other words, a chemical alternate is a chemical reaction regarding the rearrangement of atoms.
Learn more about chemical change here:- https://brainly.com/question/1222323
#SPJ4
on a distant planet the acceleration due to gravity is less than it is on earth. would you float more easily in water on this planet than on earth? explain
on the other planet, floating is no better or worse than it is on Earth. Since gravity is smaller on the other planet than it is on Earth, you would weigh less there because of this.
Archimedes principlea weight of water equal to your own weight must be displace by your body in order to float, according to the Archimedes principle.
On a specific planet, the acceleration caused by gravity is less than that of the on the planet with lower gravity than the arch, thus even if our body weight will be smaller, the weight of water displaced will also be lower. Our bodies sense an upward push in the water that is equivalent to the weight of the water that is displaced. Due to the decreased gravity, the water that has been displaced has a smaller weight, which means that the buoyant force will also be lower. Thus, it won't require us to sing. We shall appear to be the same. We'll swim along the same shore as V 2 on Earth.
to know more about gravity , check out
https://brainly.com/question/29573919
#SPJ4
What is the main evidence for the existence of dark matter?.
Radio astronomical observations of spiral galaxies are the main source of evidence for dark matter. Large collecting telescopes are used in radio astronomy to gather radio frequency radiation from space.
The information will next be analyzed to reveal evidence for extra matter that cannot be explained by the luminous stuff that has been discovered.There is convincing proof that dark matter exists, at the very least. Even though scientists still don't fully understand dark matter, there is ample proof that it—or something similar—exists. Nothing we can immediately observe bridges the gap between the whole mass of the cosmos and what we can directly observe.To know more about dark matter
https://brainly.com/question/29545146
#SPJ4
a metal bar is hanging from a hook in the ceiling when it is suddenly struck by a ball that is moving horizontally (see figure). the ball is covered with glue, so it sticks to the bar. during this collision a metal bar is hanging from a hook in the ceiling when it is suddenly struck by a ball that is moving horizontally (see figure). the ball is covered with glue, so it sticks to the bar. during this collision the angular momentum of the system (ball and bar) is conserved about the hook because only gravity is acting on the system. the angular momentum of the system (ball and bar) is not conserved because the hook exerts a force on the bar. the angular momentum of the system (ball and bar) is conserved about the hook because neither the hook nor gravity exerts any torque on this system about the hook. both the angular momentum of the system (ball and bar) and its kinetic energy are conserved. both the linear momentum and the angular momentum of the system (ball and bar) are conserved.
The angular momentum of the system (ball and bar) is conserved about the hook because neither the hook nor gravity exerts any torque on this system about the hook.
The rotating inertia of an object or system of objects when they are moving about an axis that may or may not pass through them is described by a property known as angular momentum. The daily rotation of the Earth's axis and its yearly orbital revolution around the Sun give the planet its spin angular momentum. Since angular momentum is a vector quantity, both its magnitude and direction must be determined in order to fully represent it. The angular momentum of an orbiting object is proportional to its linear momentum, which is determined by dividing the mass (m) by the linear velocity (v) and by the perpendicular separation (r) from the axis of rotation.
To know more about angular momentum visit : https://brainly.com/question/15104254
#SPJ4
What are the three stages of collision?.
Collisions between two objects are a fundamental part of the physical world. The collision process can be broken down into three distinct stages: impact, compression and rebound.
Impact is when two objects come into contact and force is transferred from one object to the other. Compression follows impact and is the result of the objects being forced together, resulting in the objects being deformed. Rebound is the final stage and occurs when the deformation of the objects is released.
Resulting in the objects separating and returning to their original state. The impact stage of a collision is the most important as it’s what initiates the collision and determines how much force is transferred between the two objects. The compression stage of a collision is the result of the objects being forced together and deformed.
Learn more about Force at : https://brainly.com/question/13191643
#SPJ4
The motorcyclist then decelerates at a constant rate for 2s. What is his acceleration.
The acceleration of the body is 2 [tex]\frac{m}{s^{2} }[/tex] while the deceleration is - 1.2 [tex]\frac{m}{s^{2} }[/tex] .
Acceleration can be defined as the rate of change of velocity with respect to time.
Deceleration is the reduction in speed or rate.
It has been stated in the question that the body accelerates for 3s and then decelerates to 2s. This implies that the total time that the object spent in motion is 5 s. So
vf = vi + at
as indicated in the equation ;
vf = final velocity
vi= initial velocity
a = acceleration
t = time taken
So the formula for acceleration will be;
a = [tex]\frac{vf - vi}{t}[/tex]
a = [tex]\frac{6 - 0}{3}[/tex]
a= 2 ms⁻²
This is the acceleration of motorcyclist. Now we will find the deceleration as follows;
a = [tex]\frac{vf - vi}{t}[/tex]
a= [tex]\frac{0 - 6}{5}[/tex]
a = -1.2ms⁻²
Your question is incomplete but most probably your full question was;
A motorcyclist starts from rest and reaches a speed of 6 m/s after travelling with constant acceleration for 3s.
a. What is his acceleration?
b The motorcyclist then decelerates at a constant rate for 2s. What is his
acceleration?
To look more about acceleration click here
brainly.com/question/12550364
#SPJ4
Derive an expression for the rotational inertia of the disk about the pivot. Pivot Pivul Figure > Figure Mech 3, A uniform disk of mass M and radius R is suspended vertically from pivot on its edge s0 that it is free t0 swing without friction, as shown in Figure above The disk is raised tO an initial angular displacement % with respect (0 the vertical, as shown in Figure 2 above. and released from rest The rotational inertia of the disk about its center of mass is MR? /2 . Express all algebraic answers in terms of the given quantities and fundamental constants. aS appropriale. (4) Derive an expression for the rotational inettia of the disk about the pivot
The time period of the disk T = 2π[tex]\sqrt{L/G}[/tex] = 2π[tex]\sqrt{3R/2g}[/tex]
I = 3/2 m[tex]r^{2}[/tex]
T = 2π [tex]\sqrt{I/Mgl}[/tex] = 2π [tex]\sqrt{l/g}[/tex]
l = I / mL
l = 3/2 R
Hence, Time period = 2π[tex]\sqrt{L/G}[/tex] = 2π[tex]\sqrt{3R/2g}[/tex]
A time period (denoted by the letter "T") is the amount of time needed for one full cycle of vibration to pass a specific point. Waves become shorter in duration as their frequency rises. Seconds are used to measure time. T = 1/f or f = 1/T are two mathematical expressions for the reciprocal relationship between frequency and time. The orbital period is how long it takes for something to circle (or orbit) another object.
The time it takes for a pendulum to swing back and forth between its two sides is known as its period.
T=2m/qB, where m is the electron's mass, describes the period of an electron on a helical orbit with an axis perpendicular to the magnetic field.
Learn more about time period here:
https://brainly.com/question/56900
#SPJ4
a 1 m long verticle plate is at 80c. the air surrounding it is at 20c at 1 atm. the velocity of air over the plate is 1 m/s.
The velocity of air is 18.60×10⁻⁶m/s.
Film temperature, T f = (Ts+T∞)/2
T f = (80+20)/2
T f = 50°C
T f = 323K
β=1/T
β=1/323
β=3.096×10⁻³
By Interpolation,
v= 15.8g +(20.92-15.89)(323-300)/(350-300)
v=18.60×10⁻⁶m/s.
Velocity is described as a vector measurement of the charge and path of motion. Placed truly, speed is the velocity at which something moves in one course. The velocity of an automobile travelling north on a chief parkway and the velocity of a rocket launching into the area can each be measured using speed.
The distinctive styles of velocities are uniform speed, variable velocity, common pace and immediate pace. Uniform velocity: A body is stated to be shifting with uniform speed if its average pace among any two factors along its course is equal in importance as well as path.
The SI unit of velocity is metre per/sec (m/s). as an alternative, the speed magnitude can also be expressed in centimetres per 2nd (cm/s).
Learn more about Velocity here:-https://brainly.com/question/28552266
#SPJ4
Describe in words how the nucleus of an atom changes when it undergoes alpha decay.?
I just need a brief description
Alpha decay is a type of nuclear decay occurring by the emission of alpha particles. Thus the nuclei changes to a new nuclei with mass number decreased by 4 units and atomic number decreased by 2 units from the parent atom.
What is nuclear decay?Nuclear decay is the process of radioactive decay of unstable isotopes to form its stable isotopes or new nuclei. Unstable atoms undergo nuclear decay by the emission of alpha or beta particles or by electron capture.
In alpha decay, an alpha particle that is a helium nuclei is emitted with the new nuclei where the mass number reduces by 4 and atomic number reduces by 2.
For instance consider the alpha decay of carbon -14 produces stable beryllium -10 with an alpha particle.
[tex]\rm _{6}^{14}C \rightarrow _{10}^{4}Be + _{2}^{4}He[/tex].
Similarly in beta decay, an electron is emitted where the atomic number increases by one and mass number does not change.
To find more on alpha-decay, refer here:
https://brainly.com/question/14081292
#SPJ1
a viscous fluid between the two cylinders exhibits a steady flow, and there is no pressure gradient in the z direction. what is the velocity profile of the fluid? what is the friction force per unit length for each cylinder
The velocity profile shows the velocity's magnitude in relation to position.
Explain about the velocity profile?The velocity distribution at a cross section of a pipe with laminar flow will have a parabolic form, with the greatest velocity at the center being around double the average velocity in the pipe.
The change in bulk temperature, average dynamic pressure, and friction factor are all connected to the shape of the velocity profile.
AsuU=sin, where U is the free stream velocity and is the local boundary layer thickness, we may calculate the velocity profile within the boundary layer for flow over a plate.
For use in fluid mechanics and fluid flow measurement, PSI developed the ultrasonic velocity profile measuring technique. It makes advantage of immediate Doppler shift frequency detection and pulsed ultrasonic echography.
To learn more about velocity profile refer to:
https://brainly.com/question/24681896
#SPJ4
derivation of moment of inertia: derive equation (2) from the sum of torques and sum of forces equations.
derivation of moment of inertia from the sum of torques and sum of forces equation is I=mr(g-rα(net)/ α(fr) + α(net)
In physics, a moment of inertia is a quantitative measure of a body's rotational inertia—that is, the body's resistance to having its speed of rotation about an axis altered by the application of a torque (turning force).
Torque on system = (mg) x r - (m xa)x r -
a = rα(net) (the relationship between linear and rotational acceleration)
SO, T = mgr - mr2 α(net)
Torque is also given by T = I α
here α =α(fr) + α(net)
Hence α(fr) + α(net)= mgr - mr2 α(net)
I=mr(g-rα(net)/ α(fr) + α(net)
Learn more about moment of inertia here:
https://brainly.com/question/29415485
#SPJ4
where's the point of max deflection for certain beams based on a certain applied load? how can you reduce a cantilever beam's deflection by 50%?
The point of max deflection for certain beams based on applied load is at 11q₀L/40.
What is deflection due to triangular load?
The deflection due to the triangular load is usually given as:
σ₁ = 11q₀L⁴/120EI
Deflection due to reaction (R)(σ₂) =
RL³/3EI
⇒ σ₁ = σ₂⇒ 11q₀L⁴/120EI
= RL/3EI= R
= 11q₀L/40
What is the significance of deflection in a beam?
In terms of structural engineering, a beam or node moving from its initial location is referred to as deflection.
It occurs as a result of the loads and forces that are placed on the body.
Deflection, also known as displacement, can result from the weight of the body structure itself or from externally applied stresses.
What is the relevance of deflection due to triangular load?
A structure's deflection must be taken into account during design, and the consequences of not doing so can be disastrous.
Deflections may be caused by various loads. These include, among others,
ground pressureearthquakeswind loadsshear loadspoint loadsevenly distributed loads anduniformly distributed loads.Therefore, the point of max deflection for certain beams based on applied load is at 11q₀L/40.
Learn more about Deflection at: brainly.com/question/17073393
#SPJ4
please help me. i need assistance fast
Answer:
Explanation:
A i think :3
a bucket is filled with water, and then a hole 3.00 mm in diameter is punched in the bucket, 17.0cm below the surface of the water. with what force is the water shot from the bucket?
The average force of the beam expert is 648,365.
What is average force?The force applied by a body that's traveling at a definite velocity for a definite period of time is called average force.
mass of pile driver (m) = 1900 kg
distance of pile driver to steel beam (s) = 4.80m
depth of steel driven (d) = 13.4= 0.134 m
acceleration due to gravity (g0 = 9.8 m/s^{2}
calculate the average force exerted on the pile driver by the beam.
from work done = force x distance
work done = change in potential energy of the pile driver
equating the two equations above we have
force x distance = m x g x (s - d)
f x 0.134= 1900 x 9.8 x (4.80- (-0.134))
d = - 0.134because the steel beam went down at we are taking its
initial position to be an origin point which is 0
f = ( 1900x 9.8 x (4.80- (-0.134)) ) ÷ 0.134
=648,365
To know more about average force click -
https://brainly.com/question/18652903
#SPJ4
The force at which water is shot is 1.18 × 10^-2 N
How do you calculate water pressure at a depth?
Water pressure at a depth is given by , P=gh, where h represents the difference between the height of the water's surface and the height of the measurement point, such as the outlet of a hose leaving a storage tank,
In the given problem
diameter of hole = 3mm
radius,r = 1.5mm
Pressure of the hole = ρgh
ρ=1000 Kg/m^3
Force = Pressure × Area
= ρgh × πr^2
= 1000× 9.8× 17× 10^(-2) × 3.14 × (1.5× 10^(-3))^2
= 1.18× 10^(-2)
Therefore the force at which water is shot is 1.18× 10^(-2)
To learn more about water pressure at a depth from the given link
https://brainly.com/question/28339795
#SPJ4
Find the direction of the net gravitational force exerted on the spacecraft by the earth and moon. State the direction as an angle measured from a line connecting the earth and the spacecraft.
The gravitational force between sun and moon is 1.946 x 10²⁰N.
We are given that,
Distance of the moon from the earth = d = 3.84 x 10¹⁰cm = 3.84 x 10⁸m.
Mass of the earth =M₁= 5.96 x 10²⁷g = 5.96 x 10²⁴kg
Mass of the moon = M₂ = 7.33 x 1025 g = 7.33 x 1022 kg
Force acting between the earth and the moon is,
F = [G(m₁m₂/d²)]
Where, G is universal gravitational constant and thus putting the values on the above equation ,
F= (6.67 x 10⁻¹¹) x [(5.96 x 10²⁴) x (7.33 x 10²²)] / (3.84 x 10⁸)²
F = = 1.946 x 10²⁰N
The gravitational force between the earth and the moon is 175 times greater than that between the earth and the sun. High tide and low tide are caused by gravitational forces operating between the sun and the earth as well as between the earth and the moon.
To know more about gravitational force
https://brainly.com/question/12987258
#SPJ4
if you are at the edge of a cliff and you throw one ball downward and another ball upward at the same speed. which will hit the ground at a higher speed
Since they both have the same starting PE and KE, they would be the same according to the supplied statement.
A Speed question and answer is what?Speed is defined as the ratio of the distance traveled to the time required to cover that distance. Speed is a constant of proportionality since it just has a component and no magnitude.
How do you answer a question about speed?Speed is calculated by dividing the distance traveled by the amount of time it required to get there. Divide the distances by the speed to find the passing time. Combine the speed by the time to find the distance. These equations may appear shortened as s=d/t
To know more about speed visit:
https://brainly.com/question/28224010
#SPJ4
