in a competitive industry with identical firms, long-run equilibrium is characterized by: p > min atc p < avs
Answers
If p < AVC, firms would incur losses, leading them to exit the market, reducing supply, and eventually increasing the market price until p = min ATC is achieved in the long-run equilibrium.
a competitive industry with identical firms, long-run equilibrium is characterized by p = min ATC, where p represents the price and ATC stands for average total cost.
In this situation, firms cannot earn economic profits (p > min ATC) or incur losses (p < AVC, where AVC is average variable cost) in the long run, as the following steps explain:
1. If p > min ATC, firms are earning economic profits, which will attract new firms to enter the market.
2. As new firms enter the market, the supply increases, leading to a decrease in the market price.
3. This process continues until the market price reaches the minimum average total cost (p = min ATC), eliminating economic profits and creating a long-run equilibrium.
Similarly, if p < AVC, firms would incur losses, leading them to exit the market, reducing supply, and eventually increasing the market price until p = min ATC is achieved in the long-run equilibrium.
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Related Questions
A 71 kg hiker climbs to the top of a 4300 m -high mountain. The climb is made in 5. 5 h starting at an elevation of 2800 m. Calculate the work done by the hiker against gravity. Calculate the average power output in watts. Calculate the average power output in horsepower. Calculate assuming the body is 16% efficient, what rate of energy input was required
Answers
Answer:
A. 1.0x10^6 J
B. 53 W
C. 7.1x10^-2
D. 330 W
Explanation:
A) work done = mgh
so 71*9.8*1500=1.0x10^6 J
B) power = Work done/time
So P=1.0x10^6/19800 sec
P= 53 W
C) 1 HP =735 W
503 W= 7.1x10^-2 HP
D) efficiency =(output/ input) *100
so 16= (53/input) *100
input= 7.1x10^-2
The amount of work a machine can do because of an object's kinetic and potential energy is called ___________.
Answers
The amount of work a machine can do because of an object's kinetic and potential energy is called mechanical energy. Mechanical energy is the sum of an object's kinetic energy, which is the energy due to its motion, and its potential energy, which is the energy it possesses because of its position or condition.
To understand this concept, let's consider an example. Imagine a roller coaster on top of a hill. As the roller coaster starts moving down the hill, its potential energy decreases because it is losing height. However, its kinetic energy increases because it is gaining speed. At the bottom of the hill, the roller coaster has minimal potential energy but maximum kinetic energy.
The total mechanical energy of the roller coaster remains constant throughout the ride, demonstrating the conservation of energy. This principle applies to other machines as well, such as a pendulum or a swinging door. By understanding and utilizing the mechanical energy of objects, machines can perform useful work.
In summary, the amount of work a machine can do due to an object's kinetic and potential energy is known as mechanical energy. It encompasses both the object's motion-related energy and its position-related energy.
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not sure on what to write in the blank spots.
Answers
Answer:
Explanation:
I hope this was all you wanted. Everything else seems finished correctly.
A runner dashes 248 m in a direction due North from the starting line (x; = 0 m). She then
turns around and runs due South back toward the starting line 97 m.
If both legs of this run take a total of 130 seconds, to the nearest tenth of a m/s, what is her
average velocity?
K
Answers
Her average velocity is 2.65 m/s to the nearest tenth of a m/s.
What is average velocity?The measure of average velocity is a vector. Average velocity is calculated by dividing the change in position or displacement (x) by the time intervals (t) during which the displacement takes place. Depending on the direction of the displacement, the average velocity may be positive or negative. Meters per second (m/s or ms-1) is the SI unit for average speed.
Only the object's displacement is considered when calculating average velocity. However, the displacement's size might differ from the actual path's length. For this reason, we use average speed to describe the rate of motion along a path.
Average speed is calculated by dividing the total distance travelled by the total motion time. The average speed is a scalar quantity, in contrast to the average velocity.
Given distance: 248
and = 345 m
Time for both= 130 s
We know that average velocity = Distance + Distance / time
Therefore,
Average velocity = (248 + 97) / (130)
Average velocity = 69/26
Average velocity = 2.65 m/s
Thus, her average velocity is 2.65 m/s to the nearest tenth of a m/s.
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Louis has two sets of two gears (Set A and Set B) that he is using to build two different machines. He has all the gears laid out separately, as shown in the diagram above. Then he puts the gears into the machines so that the gears in Set A are touching each other and the gears in Set B are touching each other. Use the information in the diagram to answer the question.
After the gears have been touching for a while, which of the two bottom gears will be cooler, and why?
Answers
Based on the information provided, the two bottom gears in Set B will be cooler compared to the two bottom gears in Set A.
This is because the two bottom gears in Set B are in direct contact with the cooler gears on top, which creates a better heat transfer pathway.
The gears in Set B form a continuous chain of contact with the cooler gears above, allowing for efficient heat dissipation.
In contrast, the gears in Set A are not in direct contact with the cooler gears on top, resulting in less effective heat transfer and slower cooling.
Therefore, the continuous contact between the gears in Set B facilitates better heat conduction and ultimately leads to lower temperatures compared to Set A.
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a block is placed on a spring, compressing it 0.30m. what height does the block reach when launched by the spring?
Answers
The height the block reachs when launched by the spring 0.917 m.
What is a box-spring system?Simply said, a spring-mass system is a spring system with a block hanging or fastened to the free end of the spring. The period of any item moving in a simple harmonic motion may often be determined using the spring-mass system. There are several other uses for the spring-mass system. For instance, the spring-mass system may be used to replicate foot skin deformation and the action of human tendons using computer images. There are two ways to arrange spring mass systems. These consist of: The parallel arrangement of springs , a series of springs combined.
m = 0.5 kg , K = 100 N/m , ∆x = 0.3 m
By conservation of energy :-
KEi + PEg + PEelastic = KEf + PEg + PEelastic
0 + 0 + 0.5*K*∆x^2 = 0 + mgh + 0
0.5*100*(0.3)^2 = 0.5*9.81*h
h = 0.917 m
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Conduction, Convection, or Radiation?
Please help!!!
Answers
Answer:
radiation is the correct awnser I also double checked online and it said it was correct
good luck
"Conduction" and "convection" both need material stuff to carry the heat from one place to another.
Both of the examples in the picture work fine without any material stuff along the way.
-- The top part of the picture shows the sun warming the Earth ... everybody knows there's no material stuff in space.
-- The lower part of the picture shows a campfire warming your hands. Yes there's air in the space between them, but that's not what's carrying the heat. The air is only there to keep the fire burning, but the heat travels to your hands without it.
Both examples show heat moving from one place to the other by Radiation.
a car having a mass of 10kg accelerates from 10m/s square to 16 m/s square in t seconds? What is the force exerted by the car?
Answers
using F=ma (force = mass * acceleration), the force needed would be 10 kg * 16
10 * 16 = 160, so the force would be 160N.
Answer:
The answer is 160 N
Explanation:
I did the test
Hope this helps :)
a graphical representation of both amplitude and direction is called ____.
Answers
A graphical representation of both amplitude and direction is called: Vector
A vector is a graphical representation of both amplitude and direction. In physics and mathematics, a vector is a quantity that has both magnitude and direction.
It is often represented by an arrow in a graph or diagram, where the length of the arrow represents the magnitude or amplitude, and the direction of the arrow indicates the direction of the vector.
Vectors are commonly used to represent physical quantities such as displacement, velocity, force, and acceleration.
By using vectors, it becomes possible to describe quantities that have both a numerical value and a specific direction in a concise and graphical way.
In addition to their graphical representation, vectors can also be expressed mathematically using coordinates or components. The components of a vector describe its magnitude in different directions, often along orthogonal axes.
Understanding vectors and their graphical representation is essential in various fields, including physics, engineering, and computer graphics, as they provide a powerful tool for analyzing and visualizing quantities with both magnitude and direction.
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6. A wave has a frequency of 600 Hz and is traveling at 300 m/s. What is its
wavelength?
Answers
Answer:
0.5m
Explanation:
v=f×lamda
v is 300m/s, f is 600Hz, lamda is ?
lamda=v/f
lamda=300/600
lamda =3/6=1/2m
A discordant igneous intrusion
Select one:
a.
cuts across bedding planes.
b.
will consist dominantly of pyroclasts.
c.
parallels sedimentary rock layering.
d.
produces deadly explosions.
Answers
A discordant igneous intrusion cuts across bedding planes. Here is the detailed explanation of the given question:Explanation:The Discordant igneous intrusion is the formation of an igneous rock mass when magma is injected into a host rock and cools there.
This form of igneous intrusion does not conform to the stratification or layering of the existing rock mass because it cuts across it.Therefore, a discordant igneous intrusion cuts across bedding planes.Option (a) is correct. It is the only option that describes the features of discordant igneous intrusion. Hence, the correct answer is option (a).
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PLS HELP which ones would be made of cells? and which ones show cell walls?
Cork, Sponge, Wood, Plastic, Tree
Answers
The first question's answer depends on what you mean by "sponge". If you're talking about sea sponges, then all but plastic are made up of cells. Some sponges used for cleaning are also made of plant material but also other, non-organic materials like dyes.
Cell walls are only present in plant cells, so they would be found in cork (derived from a certain tree bark), wood, and trees. Synthetic sponges made with plant material might also contain them, but they wouldn't be made entirely of cells with walls.
From given options or choices all are made up of cells except plastic and among the other four Cork, Sponge, Wood, and tree all show cell walls except Sponge.
A cell is the basic structural unit of all living organisms and contains various cell organelles. On the base of different cell organelles or presence or absence of the certain organelles help in distinct and divide the cell type.
The major types of cells are:
Prokaryotic cellsEukaryotic cellsPlastic is not a living organism as there are no cells and is made up of polymers of hydrocarbon.
The cell wall is one of the major cellular structures that helps in identifying the type of cell organism and protects the organism from the external environment. It classifies the organism on its constituent of the cell wall.
In eukaryotic cells, animal cells have no cell wall, however, fungi cells, plant cells have a cell wall. A sponge is an animal and other cork wood, and trees are plants or plant-based products.
Thus, the sponge does not show the cell wall.
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The potential energy of a watermelon is 15.0 J. The watermelon is 3.0 m high. What is the mass of the watermelon?
g = 9.8 m/s2
Answers
Answer:
m = 0.51[kg]
Explanation:
Potential energy is defined as the product of mass by gravity by height.
\(E_{pot}=m*g*h\)
where:
Epot = potential energy = 15 [J]
m = mass [kg]
g = gravity acceleration = 9.8 [m/s²]
h = elevation = 3 [m]
Now replacing:
\(E_{pot}=m*g*h\\15=m*9.8*3\\m = 0.51[kg]\)
You are working with an existing fiber optic installation in your building. you want to know the length of each cable that runs through the walls.which tool should you use
Answers
Answer:
you will use the OTDR tool ti will very much so help
Explanation:
Suppose a neutron star with a mass of about 1.5MSun and a radius of 10 kilometers suddenly appeared in your hometown. How thick a layer would Earth form as it wraps around the neutron star's surface? Assume that the layer formed by Earth has the same average density as the neutron star. (Hint: Consider the mass of Earth to be distributed in a spherical shell over the surface of the neutron star and then calculate the thickness of such a shell with the same mass as Earth. The volume of a spherical shell is approximately its surface area times its thickness: Vshell=4πr^2×h. Because the shell will be thin, you can assume that its radius is the radius of the neutron star.)Express your answer to two significant figures and include the appropriate units.
Answers
Earth would form a layer around the neutron star with a thickness of 6.2 km.
Mass of the neutron star = 1.5 MSun. Radius of the neutron star = 10 km. Let's assume that the layer formed by Earth has the same average density as the neutron star. Since the mass of the neutron star is 1.5 MSun, this means that Earth will wrap around the neutron star's surface in a spherical shell over the surface of the neutron star whose mass is equal to the mass of the Earth.
Let's first calculate the volume of the neutron star, VNS:VNS = (4/3)πr³= (4/3)π(10 km)³= 4,188.8 km³. We can now calculate the mass of the neutron star, MNS, using its average density, D, which is:
D = MNS / VNS 1.5 MSun = MNS / 4,188.8 km³. Therefore, MNS = (1.5 MSun)(4,188.8 km³) = 6,283.2 MSun.We know that the thickness, h, of the shell is needed to calculate the volume, Vshell, of the spherical shell with the same mass as Earth. The volume of a spherical shell is approximately its surface area times its thickness: Vshell=4πr^2.h, so we can now use the above equation to calculate h.h = Vshell / (4πr²)= MEarth / (D × 4πr²). Where MEarth is the mass of the Earth. MEarth = 5.97 × 10²⁴ kgD = MNS / VNS = (6,283.2 MSun) / (4,188.8 km³) = 1.50 × 10¹⁷ kg/km³r = 10 km. Putting in these values:h = (5.97 × 10²⁴ kg) / (1.50 × 10¹⁷ kg/km³ × 4π(10 km)²) = 6.2 km.
Therefore, Earth would form a layer around the neutron star with a thickness of 6.2 km.
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energy conservation of radio
Answers
The functioning of a radio obeys the energy conservation principle, the energy is conserved throughout the process of transmitting sound waves.
Radio is a device that receives and broadcasts electromagnetic waves in the radio frequency (RF) range. The energy conservation principle states that energy can neither be created nor destroyed, but it can be converted from one form to another. This principle applies to the functioning of a radio, where the energy is conserved throughout the process.
When a radio receives a signal, it converts the electromagnetic wave energy into an electrical signal using an antenna. The electrical signal is then amplified and demodulated to extract the original audio signal. The audio signal is then amplified again and played through a speaker, where the electrical energy is converted into sound energy. The energy that was originally present in the electromagnetic wave is conserved throughout this process and is not lost.
Similarly, when a radio broadcasts a signal, the audio signal is first converted into an electrical signal, which is then amplified and used to modulate an RF carrier wave. The modulated RF wave is then transmitted through an antenna as electromagnetic waves. The electrical energy from the audio signal is conserved and transformed into electromagnetic energy in the transmitted signal.
In both cases, the energy conservation principle is applied, and the energy is conserved throughout the process. Therefore, the functioning of a radio obeys the energy conservation principle.
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A 0.137 kg mass on a string
is swung in a vertical circle of radius
0.400 m. At the top of the circle, it
moves at 2.33 m/s. What is the
tension in the string at that point?
(Unit = N)
Answers
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Answer:
.516
Explanation:
I typed this into Acellus and it was correct.
the postion-time graph describes the motion of a moving object. Describe the motion represented by each segment of the graph
Answers
Answer:
A to B is in constant speed. b to c is speeding up. c to d is not moving. d to e is slowing down.
Explanation:
a to b is at a constant rate of acceleration. (It is speed up but it is doing it consistantly) The line is curving upwards means it is speeding up just not consistantly like a to b. c to d is not going up or down which means it is not in motion. d to e is slowing down because the line curvs down ward.
A to B is at a constant pace. b to c is rushing up. c to d isn't always transferring. d to e is slowing down.
What's the location Time Graph?The graph on which the immediate position x of a particle is plotted at the y-axis and the time t at the x-axis is known as the location-Time graph.
How do you examine a role-time graph?The precept is that the slope of the road on a position-time graph exhibits beneficial records about the rate of the object. it's miles frequently stated, "because the slope goes, so is going the rate." anything characteristic the speed has, the slope will exhibit the same.
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Please help me on this physics question <3
Answers
Work = Force x Distance
Ruben exerts a force of 15 N on a 2 kg watermelon, and the watermelon moves 4 meters. So we have:
Work = 15 N x 4 m
Work = 60 J (joules)
Therefore, Ruben did 60 Joules of work on the watermelon.
Answer:
The answer for Work done is 60J or 60Nm
Explanation:
Work done=Force×distance
W=15×4
W=60J or 60Nm
Two carts, moving at opposite directions, collide and recoil. Which question would help determine if the system of two carts is open or closed? A) Do the carts have the same mass? B) Do the carts have different initial velocities? ) Is energy transferred from one cart to the other? D) Is the total momentum constant before and after the collision?
Answers
Answer:D
Explanation:
i’m not sure if that’s right but that’s what i think
A skateboarder starts at 2.75 m/s and accelerates for 8.90 s over a distance of 16.7 m. What is his final velocity?
A) 3.44 m/s
B) 33.1 m/s
C) 1.00 m/s
D) 4.06 m/s
Answers
Explanation:
x = 16.7 m
v₀ = 2.75 m/s
t = 8.90 s
Find: v
x = ½ (v + v₀) t
16.7 m = ½ (v + 2.75 m/s) (8.90 s)
v = 1.00 m/s
Two people, one having twice the mass of the other, play tug of war with a 12 meter rope on frictionless ice. After a brief time, they meet. The heavier person slides a distance of?
A) 6m
B) 4m
C) 5m
D) 3m
Answers
Answer:
In a tug of war, the forces applied by the two people on the rope must be equal in magnitude but opposite in direction. Therefore, if one person has twice the mass of the other, the person with the larger mass will experience twice the acceleration of the person with the smaller mass.
If the heavier person has twice the mass of the lighter person, and the two people meet after a brief time, it follows that the heavier person will have traveled twice as far as the lighter person. Since the rope is 12 meters long, and the two people meet at the center of the rope, the lighter person will have traveled half the length of the rope, or 12 / 2 = 6 meters. Therefore, the heavier person will have traveled twice this distance, or 2 * 6 = <<2*6=12>>12 meters.
Since the heavier person started from the same position as the lighter person, the distance that the heavier person slid is equal to half the total distance traveled, or 12 / 2 = <<12/2=6>>6 meters. Therefore, the correct answer is (A) 6 meters.
A 20 g fridge magnet is being held onto a fridge by a 0.9 N force. Assuming μs = 0.30, calculate: A. Force of friction acting on the magnet B. The weight of the magnet C. The acceleration of the magnet
Answers
Given,
The mass of the fridge magnet, m=20 g
The force that is holding the fridge magnet, F=0.9 N
The coefficient of friction, μ_s=0.30
Where N is the normal force acting on the fridge magnet and f is the frictional force.
A.
The normal force acting on the fridge magnet is equal to the force that holds the fridge magnet to the surface of the fridge.
Thus the normal acting on fridge magnet is,
\(N=F=0.9\text{ N}\)Thus the frictional force acting on the magnet is given by,
\(\begin{gathered} f=N\mu \\ \end{gathered}\)On substituting the known values,
\(\begin{gathered} f=0.9\times0.3 \\ =0.27\text{ N} \end{gathered}\)Thus the frictional force acting on the magnet is 0.27 N
B.
The weight of the magnet is given by,
\(W=mg\)Where g is the acceleration due to gravity.
On substituting the known values,
\(\begin{gathered} W=20\times9.8 \\ =196\text{ N} \end{gathered}\)Thus the weight of the magnet is 196 N
C.
As the friction acting on the magnet is less than the weight of the magnet, the magnet will fall down.
The net vertical force acting on the magnet is given by,
\(\begin{gathered} F_n=ma \\ =W-f \end{gathered}\)Where a is the acceleration of the magnet.
On substituting the known values,
\(\begin{gathered} 20\times a=196-0.27_{} \\ a=\frac{195.73}{20} \\ =9.77\text{ m/s}^2 \end{gathered}\)Thus the acceleration of the magnet is 9.77 m/s²
A certain ball has the property that each time it falls from a height h onto a Bonus Problem. A certain ball has the property that each the it fall is dropped from an initial bard, level surface, it rebounds to a height 5/7 h. Suppose that the ball height of 10 meters. Assuming that the ball continues to bounce indefinitely, find the total distance that it travels.
Answers
Assuming that the ball continues to bounce indefinitely, the total distance the ball travels is 70 m.
What is distance ?Distance is the measure of how far apart objects, people, or places are. It is a numerical measurement of how far apart two points are in space. Distance is measured in a variety of units, such as meters, kilometers, miles, and light-years. The concept of distance can also be applied to time, with the definition of the temporal distance between two events. Distance is an important concept in many fields, including mathematics, physics, geography, and astronomy.
Let D be the total distance the ball travels. We can use a geometric series to find D. The ball starts at a height of 10 m and the ratio of each successive height is 5/7. This means the sequence of height is \(10, (5/7)*10, (5/7)^2*10,...\) and so on. The total distance traveled is the sum of this infinite series. \(D = 10 + (5/7)*10 + (5/7)^2*10 + (5/7)^3*10 + ...\)
We can use the formula for the sum of an infinite geometric series to find \(D: D = 10 (1 + (5/7) + (5/7)^2 + (5/7)^3 + ...)\)
We can use the formula for a geometric series to calculate the sum in the parentheses: D = 10 (1/(1 - (5/7)))
D = 10 * (7/2)
D = 70 m
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what happens to the brightness of bulb b if bulb a is removed from the circuit? construct the correct explanation. drag the terms on the left to the appropriate blanks on the right to complete the sentences. resethelp if bulb b is removed, the potential difference across bulb a blank.target 1 of 4 since the power dissipated by the resistance of the bulb is given by blank and its resistance blank, the brightness of bulb a blank.
Answers
Removing bulb A from the circuit does not have any effect on the brightness of bulb B.
If bulb A is removed from the circuit, the potential difference across bulb B remains the same. Since the power dissipated by the resistance of the bulb is given by P = \(V^{2}\)/R and its resistance remains unchanged, the brightness of bulb B will stay the same.
When bulbs are connected in parallel, they experience the same potential difference across them. Therefore, removing bulb A does not affect the potential difference across bulb B.
The power dissipated by a resistance is given by the equation P = \(V^{2}\)/R, where P is the power, V is the potential difference, and R is the resistance. Since the resistance of bulb B remains the same, the power dissipated by bulb B remains constant. The brightness of a bulb is directly proportional to the power dissipated, so if the power remains constant, the brightness of bulb B will also remain unchanged.
Therefore, removing bulb A from the circuit does not have any effect on the brightness of bulb B.
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What is the gravitational potential energy of the pendulum bob relative to its normal center position when it is first released
Answers
The gravitational potential energy is the work done or energy transfered per unit mass which is required to move an object to that location from a fixed reference point.
Schematic diagram:
The gravitational potential energy of the pendulum bob having mass m relative to its center position is given as,
\(U=mgh\)Here, m is the mass of the bob pendulum, g is the acceleration due to gravity, and h is the height from surface.
Therefore, the gravitational potential energy of the pendulum bob relative to its normal center position when it is first released is mgh.
We know the role of the Sun in our solar system and its importance to life on Earth. What would have happened if the Sun were bigger or smaller than it is now?
Answers
With that said, we ALL SHOULD KNOW that life on Earth is dependent on the light and heat that it receives from the Sun. If the Sun's mass abruptly halved, it would certainly have a huge impact on these key points; it would grow cooler and redder and eventually transform into a red dwarf.
or
d If for any reason the Sun shrank smaller than the Earth at least, then this shrunken Sun wouldn't have the mass to create fusion and would burn out completely. Our solar system would lose its only star. ... Earth's mass would be at least 333,000 times bigger than it is now. Imagine the gravity that the planet would have. I think from what i read and learned a bit more of the SUn.!
Which of the following equations would give the x-component of A with magnitude of 765m, 143°?
Hint: Determine the quadrant of the angle, then based on that quadrant, use x-axis as your initial side.
Group of answer choices
Ax=765cos53
Ax=765cos37
No answer
Ax=-765cos37
Ax=-765cos53
Answers
The given vector has a magnitude of 765m and an angle of 143°. To determine the x-component of A, we must first determine the quadrant of the angle.
Since the angle is greater than 90° and less than 180°, it is located in the second quadrant. Therefore, we use the x-axis as our initial side, and the resulting equation is Ax=-765cos53.
This equation states that the x-component of A is equal to -765 multiplied by the cosine of 53. This can be used to calculate the horizontal component of a vector in a two-dimensional plane.
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formula for load distance
Answers
3. What is the shortest possible time in which a bacterium could travel a distance of 84. cm across a Petri dish
at a constant speed of 3.5 mm/s? *(answer in cm/s)
whats the answer in cm/s
Answers
Answer:
240 s
Explanation:
distance = 84 cm
speed = 3.5 mm/s (0.35cm/s)
but speed = distance/time
hence the shortest time taken = distance/speed
= 84/0.35 = 240s