The stress on a wire that supports a load depends on the weight of the load and the cross-sectional area of the wire.
The stress is defined as the amount of force per unit area, so a larger load or a smaller wire cross-sectional area will result in a higher stress on the wire.
In addition to these factors, the material properties of the wire are also important in determining the stress. Different materials have different strengths and may behave differently under stress.
For example, a wire made of a brittle material may fail suddenly under stress, while a wire made of a ductile material may bend or deform before breaking.
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Si: A + B = C – D es una ecuación física donde A, B, C y D son magnitudes físicas entonces [ A ] = [ B ] = [ C ] = [ D ]
Answer:
\([A] = [B] = [C] = [D]\) por el Principio de Homogeneidad Dimensional y el uso de operaciones de adición y sustracción.
Explanation:
Por el Principio de Homogeneidad Dimensional, A, B, C y D deben tener las mismas magnitudes físicas para la realización de operaciones de adición y sustracción. Es decir:
\([A] + [B] = [C] - [D]\), donde \([A] = [B] = [C] = [D]\)
Of those with intellectual disability who function at a level of mild ID, which category represents their highest frequency of work settings?- skilled manual- unskilled labor- artisan trade- professional nonmanual
Of those with intellectual disabilities who function at a level of mild ID, the highest frequency of work settings is typically in unskilled labor or artisan trades. This is because these types of jobs require less education or training, and may be more accessible to individuals with intellectual disabilities who may have difficulty with more complex tasks or responsibilities.
However, with appropriate support and accommodations, some individuals with mild intellectual disabilities may also be able to succeed in skilled manual or professional nonmanual work settings. It is important to note that each individual's abilities and interests should be considered when determining their best fit for a work setting, rather than assuming that all individuals with mild ID will be best suited for a particular type of job. Ultimately, the goal should be to provide individuals with intellectual disabilities the opportunity to explore a variety of work settings and find the right fit for their unique skills and strengths.
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a body of mass 5 kg undergoes a change in speed from 20 m/s to 0.20m/s. find the momentum
Answer:
99kg m/s
Explanation:
\(p=m\Delta v \\\\\Delta v=20-0.20=19.8m/s \\\\p=5(19.8)=99\)
Hope this helps!
Answer:
99 kg m/sSolution,
Initial speed(u)=20 m/s
final speed(v)=0.20 m/s
change in momentum∆P=m(v-u)
∆P=5(0.20-20)
∆P=5*19.8
∆P=99 kg m/s
Momentum of the body is decreased by 99 kg m/s
hope this helps...
Good luck on your assignment...
you did 270 joules of work lifting a 135 N backpack how high did you lift the backpack?
Answer:
Distance = 2m
Explanation:
Given the following data;
Workdone = 270J
Force = 135N
To find the height (distance);
Workdone = force * distance
Substituting into the equation, we have
270 = 135 * distance
Distance = 270/135
Distance = 2m
The diagram models a sound wave traveling through a liquid.
Which diagram models how the sound wave will change when it enters a gas?
Answer:
The correct option is;
A.
Explanation:
The speed of sound varies with the medium within which the sound propagates. Therefore, the wavelength of the sound wave changes as it moves from one medium to another
The speed of sound in liquid which is given by the square root of the ratio of the bulk modulus (compression resistance) to the density of the liquid is generally faster than in gas, therefore, given that the frequency of the sound source in constant, the wavelength, λ, given as λ = v/f, which is therefore, directly proportional to the speed of sound, also reduces, which is represented by a reduced distance between successive crest as seen in figure A.
The device shown below contains 2 kg of water. When the cylinder is allowed to fall 250 m, the temperature of the water increases by 1.4°C. Suppose 2 kg of water are added to the container and the cylinder is allowed to fall 750 m. What would the increase in temperature be in this case? Gizmo image A. 0.7°C B. 1.4°C C. 2.1°C D. 2.8°C
Answer:c. 2.1°C
Explanation:
I just did it
The two vectors 3 and 7 added together
Explanation:
You walk 53m to the north, then you turn 60° to your right and walk another 45m. Determine the direction of your displacement vector. Express your answer as an angle relative to east.
2) In a computer simulation, Jeffrey moves a magnet (Magnet 2) toward
another magnet (Magnet 1) that cannot move. What happens to the
potential energy in the system of magnets?
In a computer simulation, Jeffrey moves a magnet (Magnet 2) toward the another magnet (Magnet 1) that cannot move. The potential energy in the system of magnets increases because Magnet 2 moves against the magnetic force.
What do you mean by potential energy?In physics, potential energy is the energy held by an object because of its position relative to other objects, stresses within itself, its electric charge, or the other factors.
Common types of the potential energy include the gravitational potential energy of an object, the elastic potential energy of an extended spring, and the electric potential energy of an electric charge in an electric field. The unit for energy in the International System of Units (SI) is joule, which has the symbol J.
Potential energy is associated with the forces that act on a body in a way that the total work done by these forces on the body depends only on the initial and the final positions of the body in space. These forces, that are called the conservative forces, can be represented at every point in space by vectors expressed as the gradients of a certain scalar function called potential.
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How much force is necessary to stretch a spring 0. 5 m when the spring constant is 190 N/m? N.
Statement:
A force is necessary to stretch a spring 0.5 m when the spring constant is 190 N/m.
To find out:
The force required to stretch the spring.
Solution:
Spring constant (k) = 190 N/m.Displacement (x) = 0.5 mLet the force necessary to stretch the spring be F.We know the formula of spring force, i.e., F = kx.Putting the values in the above formula, we getF = 190 N/m × 0.5 mor, F = 95 NSo, the force required to stretch the spring is 95 N.Answer:
95 N
Hope you could understand.
If you have any query, feel free to ask.
Which object has the most potential energy...
ASAP
a car left skid marks 78 m long on a road as it slid to a stop. If the car’s acceleration was -3.9 m/s, why was its velocity before it began to skid
Answer:
-0.05
Explanation:
-3.9/-3.9= o and -3.9/78= -0.05
What is the electric force between two charges? Charge one has a charge of 7 C and charge two has a charge of 5 C. The charges are 5,925 m apart. Round your answer to the fourth decimal place.
Answer:
See below
Explanation:
Coulomb's Law Force = k q1 q2 / r^2
k = Coulomb's constant = 8.9875517 x 10^9 kg m^3 /s^2 C^2
Force = 8.9875517 x 10^9 * 7 * 5 / (5925^2) = 8960.5102 N
Hi! Can somebody please help?
Answer:
Diagram A will reach the top first.
Explanation:
If it is going straight, it will go slower. The higher the movement speed the faster it is. Hope this helps!
(a) redraw your diagram of the eye correctly focusing a distant object onto the retina, assuming the eye is air-filled. show how this changes if the eye is actually filled with water. is the image now in front or behind the retina?
The diagram of the eye correctly focuses a distant object onto the retina when the eye is air-filled. The image formed will be behind the retina if the eye is filled with water.
The diagram of the eye is shown below: It correctly focuses a distant object onto the retina when the eye is air-filled. If the eye is actually filled with water, the image formed will be behind the retina. This is because the refractive index of water is higher than that of air, and this causes the image to be formed further back. The diagram below shows this change when the eye is filled with water.
The diagram of the eye correctly focuses a distant object onto the retina when the eye is air-filled. The image formed will be behind the retina if the eye is filled with water.
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6.There are four mixtures A, B, C and D. The mixture A contains sand and sugar, mixture B contain chalk powder and salt, mixture C contains salt and sugar, whereas mixture D contains sugar and charcoal powder. Which one of these mixtures cannot be separated by using water as a solvent? Why?
Answer:
Mixture C (salt and sugar)
Explanation:
Both salt and sugar can dissolve in water. And you can't just separate the mixture by filtering it like you could in the other mixtures.
PART OF WRITTEN EXAMINATION:
A well-coated structure is defined as
A) 95% or better
B) 90% or better
C) 99% or better
D) 93% or better
A well-coated structure is defined as having a coating that meets a certain standard of quality. The answer to this particular question depends on the specific criteria being used to evaluate the coating. This would typically require a coating coverage of 90% or better, if not higher.
However, in general, a well-coated structure would typically refer to a surface that has been thoroughly and evenly covered with a coating material such as paint or varnish. This ensures that the underlying material is protected from environmental factors such as moisture and UV radiation. In addition, a well-coated structure can also improve the overall appearance of the surface, making it more aesthetically pleasing.
Regarding the options provided in the question, the answer would depend on the specific criteria being used to evaluate the coating. However, it is safe to say that a well-coated structure would require a high level of coating coverage, with minimal areas left uncovered or with an uneven application. This would typically require a coating coverage of 90% or better, if not higher. Ultimately, the specific answer would depend on the standards and expectations set by the evaluating body
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15cm 20cm find area
The urban legend of the car thief is an example of what theme?
Societal Change
A Common Fear
A Cautionary Tale
A Prank
The urban legend of the car thief is an example of A Cautionary Tale.
What is the Cautionary Tale?A cautionary tale makes reference to a given tale aimed at the warning the person of some type of danger, which is generally used to alert about a given behavior and may be very useful to modify a behavior pattern in children.
Therefore, with this data, we can see that A cautionary tale is based on warning and can help to modify certain behavior in c children depending on the ability to create conscious.
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The mass of a certain man is 250g..
I. What is the weight of the man on earth
ii. What is the weight of the man on the moon
I promise to mark u the brainliest, please help me
Answer:
2,450
400
Explanation:
Pls brainliest me
What is the difference between p-n junction diode and extrinsic semiconductor?
Answer:
The difference between P-N junction diode and extrinsic semiconductor is the allowable direction of flow of current
The extrinsic semiconductor can allow current to flow in both directions while the P-N junction diode permits only a unidirectional flow of current
Explanation:
A semiconductor is a substance that has an intermediate conductivity between that of conductors and non conductors
Examples of semiconductors include germanium and cadmium selenide
A semiconductor to which impurities has been added (an activity known as doping) is an extrinsic semiconductor
Based on the functioning of a semiconductor, doping result in the formation of one of two types of semiconductors including;
1) N-type semiconductor that has an extra electron and the charge carriers are electrons
2) P-type semiconductor that has one less (-e⁻) electron and holes are the charge carriers
An extrinsic semiconductor can conduct allow the flow of electricity in both ways
A P-N junction diode consists of both the P and N-type extrinsic semiconductors arranged such that current can flow in only one direction.
Therefore, the difference is that the extrinsic semiconductor can allow current flow in both directions while the P-N junction diode permits only a unidirectional flow of current.
david popenoe's research suggests that the weakest families on earth may be found in
David Popenoe's research suggests that the weakest families on earth may be found in Western, industrialized nations.
Industrialized countries such as America, France, the United Kingdom, and other Western nations have weaker family values and structures than developing nations, according to David Popenoe's research. The family's crucial role in society's economic, social, and emotional stability has long been recognized by social scientists.
Popenoe's research supports the notion that Western, industrialized societies may be experiencing a family crisis.Popenoe says that family disintegration and weakening is a serious social problem in the Western world. Popenoe's studies found that Western societies, which place a high value on independence, individualism, and personal satisfaction, are at odds with the family's objectives of commitment, obligation, and selflessness.
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which of the following is not a clue to the formation of the solar system? group of answer choices the earth has an unusually large moon the number of small rocky planets is equal to the number of large gas-rich planets the planets and moons generally orbit in the same plane there are a large number of small rocky and icy objects in different regions of the solar system
The answer that the moon of Earth is unusually large is correct.
As all other options, in one way or another, refer to factual information about our solar system, such as the fact that the number of small rocky planets is equal to the number of large gas-rich planets and that planets and moons typically orbit in the same plane.
What is a solar system ?The Sun and the planets and objects that orbit it make up the gravitationally bound system known as the Solar System. A massive interstellar molecular cloud gravitationally collapsed to make it 4.6 billion years ago. The Sun contains the great majority of the system's mass, with Jupiter holding the lion's share of the remaining mass.
What do u mean by small rocky planets?In our solar system, Earth, Mars, Mercury and Venus are terrestrial, or rocky, planets means they are made up of rock, stones and have territorial area.
So, now we can say that “the earth has an unusually large moon” is the correct option.
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The potential difference across the terminals of a battery is 8. 4v when there is a current of 1. 50 a in the ba
Answer:
The potential difference across the terminals of a battery is 8. 4v when there is a current of 1. 50 a in the ba
Explanation:
The potential difference across the terminals of a battery is `8.4 V` when there is a current of `1.50 A` in the battery from the negative to the positive terminal. When the current is `3.50 Air`, the reverse direction, the potential difference becomes `9.4 V`. <br>(a) What is the internal resistance of the battery? <br>(b) What is the emf of the battery?
The atomic number of cobalt is 27 and its mass number is 58.93. How many protons and neutrons does an atom of cobalt have?
Answer:
27 protons, and 32 neutrons.
The atomic number of cobalt is 27 and its mass number is 58.93. Number of protons and neutrons does an atom of cobalt have 27 protons, and 32 neutrons.
What is mass?
In physics, mass is a quantitative measurement of inertia, a basic characteristic of all matter. It essentially refers to a body of matter's resistance to changing its speed or location in response to the application of a force. The change caused by an applied force is smaller the more mass a body has.
the mass of an atom of a chemical element expressed in atomic mass units. It is approximately equivalent to the number of protons and neutrons in the atom.
rest mass of one proton 1.67262 × 10−27 kg
rest mass of one neutron 1.674*10-27 kg.
The atomic number of cobalt is 27 and its mass number is 58.93. Number of protons and neutrons does an atom of cobalt have 27 protons, and 32 neutrons.
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If you know these plz help me out:)
Answer:
1. Attacking the person
2. Stress fractures
Explanation:
If this helps this is on my opinion and I need do my best to help you:)
approximately how many days after a full moon does the new moon occur?
It takes 29.5 days for a new moon to occur approximately after a full moon.
A student swings ball of mass M on the end of a string in vertical circle of radius R,as shown in the figure below. Also shown is diagram representing all the forces exerted on the ball at the bottom of the circle where its speed is What is the magnitude of the acceleration of the ball at the bottom of the circle? FTension FGravity
A)Fi /M
B)Fc /M
C)Fr+Fg/M
D) Ft- Fg/M
The magnitude of the acceleration of the ball applied at the bottom of the circle is expressed as FTension-FGravity/M.
When making a vertical circle with a ball on a string?The string's tension varies along its vertical as well as circular course. The ball's speed varies as long as the total amount of kinetic and potential energy is constant through out. Centripetal force fluctuates when speed changes accordingly.How can I determine the tension of a string moving in a vertical circle?You can write it down as FC = mv2 /r.
The centripetal force in a moving object attached to a string is equal to the product of the object's mass (mg) and the string tension (T).
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Why is energy an essential part of human life??
Calculate the area of a square with a length of 5cm
Answer:
25cm^2
Explanation:
area of square = side × side
length of side given = 5
area of this square = 5× 5
= 25cm^2
hope it helps
Answer:
25cm^2
Explanation:
How long does it take a plane traveling 82. 0 m/s to fly once around a circle whose radius is 2850 m?.
The time it take a plane traveling 82. 0 m/s to fly once around a circle whose radius is 2850 m = 218 s
The motion of an object on a circular path at a constant or uniform speed is referred to as uniform circular motion.
If the period T is the time it takes an object to complete one circular path, i.e. one revolution, the relationship between speed v, period T, and the circumference of the circle 2\(\pi\)r is:
v = 2\(\pi\)r / T
Where:
v = the velocity of the object (m/s)
r = radius (m)
T = period / time (s)
Hence,
v = 2\(\pi\)r / T
82.0 = 2\(\pi\)(2850) /T
T = 218 s
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