what would be a valid position vector to use when calculating the moment of the couple formed by the two forces at points e and f? check all that apply.

Answers

Answer 1

The moment of a force is given by the product of the force and the perpendicular distance from the axis of rotation to the line of action of the force. A couple is two equal forces acting in opposite directions but not in the same line, resulting in a pure moment or torque.

When calculating the moment of the couple formed by the two forces at points e and f, a valid position vector to use is a perpendicular distance, d, which is the shortest distance between the two lines of action of the forces.The position vector, d, is calculated as follows:Find the vector from point e to point f, which is vector EF.Find the unit vector of vector EF, which is vector EF divided by the magnitude of vector EF. The unit vector is the direction of the shortest distance between the two lines of action of the forces.Find a point, P, on line EF such that the vector from point e to point P is perpendicular to the line of action of force F, and the vector from point P to point f is perpendicular to the line of action of force E. This point, P, is the point of closest approach between the two lines of action of the forces. Find the vector from point e to point P, which is vector EP.The position vector is given by d = EP · u, where u is the unit vector of vector EF.The moment of the couple is given by M = Fd = (FE sin θ) d, where θ is the angle between vectors FE and EF.

The moment of a force is given by the product of the force and the perpendicular distance from the axis of rotation to the line of action of the force. A couple is two equal forces acting in opposite directions but not in the same line, resulting in a pure moment or torque. When calculating the moment of the couple formed by the two forces at points e and f, a valid position vector to use is a perpendicular distance, d, which is the shortest distance between the two lines of action of the forces. The position vector, d, is calculated as the product of vector EP and the unit vector of vector EF, where vector EP is the vector from point e to the point of closest approach between the two lines of action of the forces, and vector EF is the vector from point e to point f.

Therefore, when calculating the moment of the couple formed by the two forces at points e and f, a valid position vector to use is a perpendicular distance, d, which is the shortest distance between the two lines of action of the forces. The position vector is given by d = EP · u, where u is the unit vector of vector EF.

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Answer 2

The position vector to use when calculating the moment of the couple formed by the two forces at points e and f is i+2j+3k. The correct option is: Option B) i+2j+3k.

What is a position vector?A position vector is defined as a vector that is drawn from the origin of the coordinate system to the position of the particle. The magnitude of the vector is equal to the distance of the particle from the origin, while the direction of the vector is that of the line connecting the origin to the particle. The vector can be expressed as \vec{r}=\overrightarrow{OP}, where O is the origin and P is the position of the particle.

How to calculate the moment of the couple?The moment of the couple can be calculated using the following formula: Moment of couple = Force x Perpendicular distance between the forces. The magnitude of the force is multiplied by the perpendicular distance between the forces, resulting in the moment of the couple.

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Related Questions

Select the correct answer.

Which statement is true with respect to Java?

Answers

Answer:

where are the options ..... to select

Jane sends a reminder to donors with pledges that have been overdue for more than 21 days if the amount is more than $800. Provide a quick way to identify those donors as follows: a. In cell I5, insert a formula using the AND function that returns TRUE if the number of days overdue (cell G5) is greater than 21 and if the pledge amount (cell D5) is greater than 800. b. Use the Fill Handle to fill the range I6:I17 with the formula in cell I5, filling the range without formatting

Answers

The formula to be inserted in cell I5 using the AND function is:

=AND(G5>21, D5>800). To fill the range I6:I17 with the formula in cell I5 without formatting, you can use the Fill Handle feature in Excel.

Follow these steps: Select cell I5. Move the cursor to the bottom right corner of the selected cell until it turns into a small crosshair. Click and drag the crosshair down to the desired range (I6:I17) to fill the cells with the formula. Release the mouse button to apply the formula to the selected range.

By using the Fill Handle, Excel automatically adjusts the cell references in the formula as it is copied to the adjacent cells. This means that when the formula is copied to cells I6:I17, the cell references G5 and D5 will be automatically adjusted based on the relative position of each cell. This allows the formula to be applied consistently across the range, evaluating the conditions for each corresponding row of data.

The AND function in the formula checks two conditions: whether the number of days overdue (cell G5) is greater than 21 and whether the pledge amount (cell D5) is greater than 800. If both conditions are met, the function returns TRUE; otherwise, it returns FALSE. By using this formula in the specified range, you can quickly identify donors whose pledges have been overdue for more than 21 days and whose pledge amount is greater than $800.

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What elements does the array list contain after the following code is executed? int [] list ={2,18,6,−4,5,1};for (int i=0;i< list.length; i++)list [i]= list [i]+( list [i]/ list [θ]); \}

Answers

The correct answer is The code initializes an integer array list with six values: 2, 18, 6, -4, 5, and 1. The code then iterates through each element of the array using a for loop and updates the value of each element based on the following formula: list[i] = list[i] + (list[i] / list[θ]).

Note that the variable θ is not defined in the code, so it would cause a compilation error. Assuming that θ should have been initialized to 0, the code would result in a division by zero error at the last element of the array, since list[0] is equal to 2 and list[0] / list[θ] would result in a division by zero.

list[0] = 2 + (2 / list[0]) = 3

list[1] = 18 + (18 / list[0]) = 27

list[2] = 6 + (6 / list[0]) = 9

list[3] = -4 + (-4 / list[0]) = -6

list[4] = 5 + (5 / list[0]) = 7

list[5] = 1 (since the division by zero would cause an error)

If we assume that θ has been initialized to 0, then the code would update the array list as follows: Therefore, the updated array would contain the values {3, 27, 9, -6, 7, 1}.

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Hi, I am a 7th grader and I was wondering if anyone had an opinion on the online education company i-Ready Curriculum. I need a 1-5 stars rating and a short response. Thanks for your time and opinions.

Answers

Explanation:

yeh.. say dear....

what help do you need

Answer:

Heyy dear friend

Explanation:

please mark me as a Brainlist

Which specific type of attack occurs when a threat actor redirects network traffic by modifying the local host file to send legitimate traffic anywhere they choose

Answers

The specific type of attack that occurs when a threat actor redirects network traffic by modifying the local host file is DNS Poisoning.

What is DNS poisoning?

DNS poisoning is known to be a type of attack where the  hacker uses a method that alters some seen vulnerabilities that are found in the domain name system (DNS).

Conclusively, The type of attack that takes place when a threat actor redirects network traffic by modifying the local host file is DNS Poisoning as it alters it and change it to what they want thereby redirecting users elsewhere.

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Which of the following type of servers would be ideal candidates to install and utilize Windows 2016 Nano Server? (Choose all that apply.)
O Hyper-V server
O DNS server
O Web serverO All above

Answers

All of the options are correct.

Windows 2016 Nano Server is a lightweight version of the Windows Server operating system that is designed to be used in a variety of scenarios, including as a virtualization host, a file server, or a domain controller. It is optimized for use in cloud environments and can be deployed remotely using standard tools such as Windows PowerShell or Remote Server Administration Tools (RSAT).

Based on the options you provided, all of the following types of servers would be ideal candidates for installing and utilizing Windows 2016 Nano Server:

Hyper-V server: Nano Server can be used as a virtualization host, running Hyper-V to host virtual machines.DNS server: Nano Server can be used as a domain name system (DNS) server, providing name resolution services to clients on the network.Web server: Nano Server can be used as a web server, hosting websites and web applications.

Therefore, the correct answer is "All above."

assume we are in the process of entering data into an excel worksheet, and instead of typing the number 726, we type the number 762. this is what type of error?

Answers

A transposition error occurs when entering data into such an Excel worksheet by typing the number 762 instead of the number 726.

What exactly is an Excel worksheet?

A worksheet, often known as a spreadsheet, can be utilized to enter data and do calculations in the cells. The cells have been set up in columns and rows. A workbooks is always kept in a workbook. A workbook typically has a lot of worksheets.

Where is the Excel worksheet?

When you see a double arrow, move the mouse pointer to the scrollbar's edge (see the figure). Once you see the full tab name and all other tabs, click and drag the arrows to the right. The worksheet is not visible. To reveal a worksheet, use a right-click on any open tab and select Unhide.

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relational data warehouses use the star schema design technique to handle multidimensional data.

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Relational data warehouses make use of star schema design technique to handle multidimensional data. Star schema has a central table, which is surrounded by a series of denormalized dimension tables.

The central table is also known as the fact table, and it contains all of the numeric data that is related to the transaction, such as sales data, purchase information, and inventory details. The surrounding dimension tables are the place where information about the facts is stored. The data in a star schema is normalized, but not to the extent that it is in a fully normalized data model.

In conclusion, the star schema is an excellent solution for managing and handling multidimensional data in a relational data warehouse. It is user-friendly and easy to navigate and makes it simple to analyze vast amounts of data.

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Cleo received a message from Joline that was sent to her as well as two other coworkers named Sam and Thomas. Cleo would like to send the message she received to Anne.

Answers

Forward or Screenshot or Copy

Answer:

c

Explanation:

a computer interprets every signal as either "on" or "off, " using numbers known as ____.

Answers

"binary digits" or "bits." A computer interprets every signal as either "on" or "off" using binary digits, commonly referred to as "bits."

These bits are the fundamental building blocks of digital information storage and processing. Each bit can represent one of two possible states: 0 or 1. By arranging multiple bits in specific patterns, computers can represent and manipulate complex data and execute various operations. This binary system allows for efficient and reliable computation, as it simplifies the underlying hardware design and facilitates logical operations using simple electronic components. The binary representation of information enables computers to store and process vast amounts of data in a structured and consistent manner.

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Complete the sentence with the correct response.
____ filtering is the minimum function a firewall can perform and still be considered a firewall.

Answers

Packet filtering firewall is the minimum function a firewall can perform and still be considered a firewall.

What is the firewall about?

Packet filtering is a basic function of a firewall that is used to control the flow of incoming and outgoing network traffic based on specified rules. The firewall inspects each incoming and outgoing network packet and either allows or blocks it based on its origin, destination, and type of data it carries.

Therefore, this kind of firewall uses rules to determine which packets to allow or block based on the packet's source and destination addresses, port numbers, and other information such as protocol type. This allows administrators to control the flow of traffic into and out of the network, and to prevent unauthorized access and potential security threats.

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what does a hard disk connected to a computer via a usb port describe

Answers

A hard disk connected to a computer via a USB port typically describes an external hard drive.

What is hard disk?

A hard disk, also known as a hard drive, is a non-volatile storage device that stores and retrieves digital data using magnetic storage and one or more rotating disks. It is one of the primary types of storage devices used in modern computers and servers. Hard disks are typically installed inside a computer or server and are used to store the operating system, software applications, and user data. They provide fast access to stored data and can be used to read and write data quickly. A hard disk consists of one or more platters that are coated with a magnetic material and mounted on a spindle. A read/write head, which is attached to an arm, moves over the surface of the platters to read and write data. The head accesses the data by magnetically aligning tiny areas of the disk's surface to represent binary data.

Here,

An external hard drive is a portable storage device that connects to a computer via a USB or other external interface, rather than being installed directly into the computer's internal drive bay. External hard drives are useful for storing large amounts of data that may not fit on a computer's internal hard drive, such as multimedia files, backups, or archives. They are also a convenient way to transfer data between computers, since they can be easily unplugged and moved from one machine to another.

External hard drives come in a range of sizes and capacities, from small portable drives that can fit in a pocket, to larger desktop drives with multiple terabytes of storage capacity.

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Python plese help 4.2 projectstem

it keeps saying error


pet=input("What pet do you have? ")

c=1

while(pet!="rock"):

print("You have a " + pet + " with a total of " + str(c) + " pet(s)")

pet = input("What pet do you have?")

c = c + 1

Python plese help 4.2 projectstemit keeps saying errorpet=input("What pet do you have? ")c=1while(pet!="rock"):
Python plese help 4.2 projectstemit keeps saying errorpet=input("What pet do you have? ")c=1while(pet!="rock"):

Answers

Answer: while(pet!="stop"):

Explanation:

here was my code for that lesson

pet = input("What pet do you have? ")

total = 0

while pet!="stop":

   total+=1

   print("You have one " + pet + ". Total # of Pets: " + str(total))

   pet = input("What pet do you have? ")

Which is true regarding diagramming? It involves writing an algorithm. It presents the programming code. It shows the flow of information and processes to solve the problem. It models solutions for large problems only.

Answers

Answer:

It shows the flow of information and processes to solve the problem.

Explanation:

Answer:

C

Explanation:

Got it right on Edge 2021:)

Your welcome

Assume that the variables gpa, deanslist and studentname, have been declared and initialized. Write a statement that both adds 1 to deanslist and prints studentname to standard out if gpa exceeds 3. 5

Answers

If a given condition is true, the if/else statement causes a block of code to be executed. Another block of code can be run if the condition is false.

statement is:-

if (gpa > 3.5)

{

deansList++;

cout << studentName;

}

Why are we using if-else?

The true and false parts of a given condition are both executed using the if-else statement. If the condition is true, the code in the if block is executed; if it is false, the code in the else block is executed.

Can there be two conditions?

The IF function lets you test for a condition and returns a result if True or False, allowing you to compare a value logically to what you anticipate. Thus, an IF statement can produce two outcomes.

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Assume you are given an int variable named nPositive and a two-dimensional array of ints that has been created and assigned to a2d. Write some statements that compute the number of all the elements in the entire two-dimensional array that are greater than zero and assign the value to nPositive.

Answers

Answer:

public class Main

{

public static void main(String[] args) {

    int nPositive = 0;

    int[][] a2d = {{-7,28, 92}, {0,11,-55}, {109, -25, -733}};

 for (int i = 0; i < a2d.length; i++) {

                  for(int j = 0; j < a2d[i].length; j++) {

         if(a2d[i][j] > 0){

             nPositive++;

                       }

                  }

 }

 System.out.println(nPositive);

}

}

Explanation:

*The code is in Java.

Initialize the nPositive as 0

Initialize a two dimensional array called a2d

Create a nested for loop to iterate through the array. If an element is greater than 0, increment the nPositive by 1

When the loop is done, print the nPositive

Answer:

const a2d =  [[7,28, 92], [0,11,-55], [109, -25, -733]];

let nPositive = a2d.reduce((a,c) => a + c.filter(n => n>0).length, 0);

console.log(nPositive);

Explanation:

Just for fun, I want to share the solution in javascript when using the powerful list operations. It is worthwhile learning to understand function expressions and the very common map(), reduce() and filter() primitives!

Match each tool or feature to the task it completes.

Match each tool or feature to the task it completes.

Answers

Answer:

the screenshot order is correct.

Explanation:

the gray one’s are right he just got them wrong before

Briefly summarize the policy issue of how cotton subsidies in the U.S. have historically influenced cotton production in developing countries, particularly the "Cotton 4" countries. In your response, address how these subsidies have influenced exports by "Cotton 4" countries based on the trade distortions we have learned about in class and based on your reading of the case study.
2. Briefly explain the 2014 WTO Dispute Settlement of the Cotton case between the United States and Brazil, and the changes that resulted from it.

Answers

Cotton subsidies in the U.S. have historically influenced cotton production in developing countries, particularly the "Cotton 4" countries. These subsidies have created trade distortions that impact the exports of the "Cotton 4" countries.

The policy issue of cotton subsidies in the U.S. has had a significant impact on cotton production in developing countries, specifically the "Cotton 4" countries (Benin, Burkina Faso, Chad, and Mali). The subsidies provided to U.S. cotton farmers have resulted in overproduction and lower global prices for cotton. This has made it difficult for cotton farmers in the "Cotton 4" countries to compete in the global market.
The subsidies in the U.S. create trade distortions by artificially lowering the price of cotton. This leads to an increase in U.S. cotton exports, as their cotton becomes more competitive due to the lower prices. However, the lower global cotton prices negatively affect the "Cotton 4" countries, as their cotton exports become less competitive in the global market.
In 2014, a dispute settlement was reached at the World Trade Organization (WTO) between the United States and Brazil regarding the cotton case. The United States was found to be providing trade-distorting subsidies to its cotton farmers, which violated WTO rules. As a result, the United States agreed to make changes to its cotton subsidy program.

The changes resulting from the WTO dispute settlement included reducing direct payments to cotton farmers, implementing a new insurance program, and increasing funding for market development activities. These changes aimed to reduce the trade distortions caused by the subsidies and create a more level playing field for cotton producers worldwide.
Overall, the policy issue of cotton subsidies in the U.S. has had a significant impact on cotton production in developing countries, particularly the "Cotton 4" countries. The WTO dispute settlement in 2014 brought about changes to the U.S. cotton subsidy program, aiming to address the trade distortions caused by these subsidies.

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what is the use of folders in the computer system ?​

Answers

Answer:

Folders help you keep your files organized and separate. Your documents, programs, and operating system files would all be located in the same place if you had no folders on your computer. Folders also allow you to have more than one file with the same file name.

Explanation:

Googoo said so.

Which of the following best describes the purpose of video careers?


To catch the attention of customers


To gain an emotional connection between two people


To create motion images for public entertainment, news or education

To make an employer laugh

Answers

To create motion images for public entertainment news or education

Explain what Fahd did wrong in the scenario below. Fahd is running ten programs at once on his laptop when it suddenly freezes up. To fix this problem, Fahd buys a new battery for his laptop.

Answers

Answer:

Well first off. if the laptop froze that doesn't mean the battery is dead to the point where a simple rest of the laptop wouldn't work out.

If a report contains financial data that you want to analyze, you can export the report as a(n) _____ file.

Answers

Answer:

A CSV file is the correct answer.

Planning to finance higher education helps people prepare for their financial future because it teaches them about

Loans and interest
Savings and accounts
Filing taxes
Short term goals

Answers

Answer:

savings and account

Explanation:

because that will convince them

Answer:

Loans and Interests.

Explanation:

Edge

cp command in linux can be used to create a backup file. true false

Answers

True, The cp command in Linux can be used to create a backup file. This command is used to copy files and directories from one location to another.

By using the "-b" option with the cp command, a backup file will be created before copying the original file. This is a useful feature in case something goes wrong during the copying process, the original file is still preserved in the backup.

The backup file will have the same name as the original file with a "~" added to the end of the filename. For example, if the original file is named "file.txt", the backup file will be named "file.txt~". The cp command is a powerful tool in Linux and can be used for many purposes such as creating backups, copying files to remote servers, and more.

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when viewing the cisco ios routing table with the show ip route command, what code is used to denote ospf routes that are not within the local area?

Answers

Ospf routes outside of the local area are identified by the code Inter area(IA)

What is Ospf routes?Due to the fact that OSPF is just a link-state routing protocol, routers communicate topology data with their closest neighbours.The fundamental benefit of just a link state routing protocol such OSPF is that it enables routers that calculate routes that meet specific requirements since they have comprehensive topology knowledge.We frequently observe customers operating OSPF in topologies much more complicated than this, transporting 4,000–6,000 routes (without any sort of summarization), and doing so without too many problems. In your situation, a few things are working in your favour. - Lots of memory and strong processors.Updates transmitted further into OSPF domain mostly by Autonomous System Border Router from a different routing protocol are referred to as external routes (ASBR). Areas of Stub: These regions contain inter-area and intra-area routes but do not accept routes from external autonomous systems (AS).

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A computer equipped with fingerprint recognition software, which denies access to a computer to anyone whose fingerprint is not on file, identifies a person's fingerprint by analyzing not only the detailed structure of the fingerprint, but also such characteristics as the level of pressure upon which the finger placed on the scanner and the finger's skin tone. Even the most adept computer hackers cannot duplicate all the characteristics the software analyzes.

Which of the following can be logically concluded from the passage above?
A. Use of the recognition software is largely impractical due to the time it takes to record and analyze a fingerprint.
B. Computers equipped with the recognition software will soon be installed in most financial firms that deal with sensitive electronic information.
C. It is not possible for any top computer hacker to gain access to a computer equipped with the recognition software solely by virtue of skill in replicating the structure of fingerprints.
D. Fingerprint recognition software has taken many years and tremendous investment to develop and perfect.
E. The fingerprint recognition software is so sensitive that many authorized users are often denied legitimate access.

Answers

Answer: C. It is not possible for any top computer hacker to gain access to a computer equipped with the recognition software solely by virtue of skill in replicating the structure of fingerprints

Explanation:

Option A is incorrect. There's no information on the speed and analysis of the fingerprint.

Option B is incorrect. No information regarding computer installation was given in the passage.

Option C is correct. With the information, it can be concluded that it is impossible for a top hacker to have access to the protected computer.

Option D is Incorrect. Information regarding time and investment costs that were incurred during the software development wasn't given in the passage

Option E is Incorrect. The passage didn't give information on the errors that the software produced.

windfall elimination provision and the government pension offset

Answers

The windfall elimination provision (WEP) and the government pension offset (GPO) are two provisions that can affect individuals who receive a pension from a government job and are also eligible.  



The WEP affects individuals who worked in jobs that were not covered by Social Security but did qualify them for a pension. It is designed to adjust Social Security benefits for those who have a "windfall" due to receiving a pension from work that was not subject to Social Security taxes.

The WEP reduces the amount of Social Security benefits a person is eligible to receive based on their work history and the amount of their non-Social Security pension. The reduction is based on a formula that takes into account the number of years a person paid into Social Security and the amount of their non-Social Security pension.

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What kind of software would you recommend a company use if its employees are receiving e-mails that are potentially hazardous ?
O Anti-spam software
O Bot software
O Microsoft Project
O Trojan software

Answers

Answer:

Microsoft project

Explanation:

I'm smart

Why do small amounts of impurities have such a large effect in doping semiconductors?

Answers

Answer Because the band gap is so small for semiconductors, doping with small amounts of impurities can dramatically increase the conductivity of the material

the table called dummy consists of a blank holding area that can be referenced by a user. True or false?

Answers

True.

The table called dummy is a system-defined table in most databases that consists of a single row and a single column. It is often used as a placeholder or reference point in SQL queries and scripts. While the values in the table are typically blank, they can be populated with data if needed.

The table called dummy, sometimes also referred to as dual, is a special table in most relational database management systems (RDBMS) that serves as a convenient placeholder or reference point. It typically consists of a single row and a single column, with the value in the column being empty or null. The name "dummy" refers to the fact that it is not a real table in the database schema, but rather a system-defined table that is always present.The purpose of the dummy table is to provide a way to generate perform operations that do not depend on any particular table or data source. For example, if you want to generate a list of consecutive numbers from 1 to 10, you can use a SELECT statement with the dummy table like this.

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What is the value of y? Which expression is in its simplest form? (see image) Angel deposits $51,400 in a savings account that pays 2.3% interest, compounded monthly.A) What is the account balance after one year? b)How much did Angel make in interest during that one year? c)What is the account balance after five years? d)How much did Angel make in interest during the five years? Someone offers to sell you a concert ticket for $50, and you reply, "Ill give you $40." The seller refuses to sell at the lower price, and you say, "Okay, okay, Ill pay you $50." Clearly, no contract has been formed because you made a counteroffer. If the seller has changed her mind and no longer wants to sell for $50, she doesnt have to. But is this fair? If it is all part of the same conversation, should you be able to accept the $50 offer and get the ticket? What does the word baste mean based on the context clues provided?Jerri continued to baste the chicken on the grill, so it didnt dry out. Chu Company provided the following information related to its inventory sales and purchases for December Year 1 and the first quarter of Year 2: Desired ending inventory levels are 25% of the following month's projected cost of goods sold. Budgeted purchases of inventory in February Year 2 would be: please answer this homework as soon as possible4. Assume that Fatma, Ayesha and Warda have completed a standardized IQ test. Fatma's IQ score is 135, Ayesha's IQ score is 100 and Warda's IQ score is 80. Explain the meaning of each of their scores. david, a system administrator, has created specific gpos for every department in his organization based on the permissions required by the various departments. however, he needs to apply the default domain policy for some managers but not for the rest of the users. how can david ensure that the default domain policy is applied only to specific managers' accounts? some students were surveyed about the eye color of their favorite color. The results are displayed below. part 2 An elephant walks 500 meters in 48 seconds. What is the elephants velocity?A) 10.4 m/sB) 0.096 m/sC) 24,000 Miguel and Jacqui built towers out of craft sticks. Miguels tower had a 4-inch square base. Jacquis tower had a 6-inch square base. If Miguels tower had a volume of 128 cubic inches and Jacquis had a volume of 288 cubic inches, whose tower was taller? Explain your reasoning. If one three-digit number (0 cannot be a left digit) is chosen at random from all those that can be made from the following set of digits, find the probability that the one chosen is not a multiple of 5.(0, 1, 2, 3, 4,5) What the similarities between the Hoyts sector model and the concentric model??? help And also what the difference between the two models??? What is antitrust law? 2. Name five industries that might be affected by current antitrust law. 3. What happened to Standard Oil? 4. Who decides how antitrust laws are applied? 5. What happened to AT&T? 6. Do antitrust laws still apply in today's technology-based economy? Part I: Friction Parabola Track 1. Click Reset and observe the energy bars as the skater moves back and forth. As the skater descends his kinetic energy (green) ____________ and his potential energy (blue)_________. The total energy bar_____________. 2. Considering the bottom of the parabola as a reference line, measure the maximum height (h) the skater climb. h Background information:The task is to address an economic issue and use data to describe and analyse it.The criteria for a successful portfolio task are primarily focused on the econometrics, the correct and appropriate use of the methods, and observations that are concerned of the econometric issues. The topic itself does not need to be solidly grounded in an economic theory, it could be something exploratory, however, do keep in mind that you will need to interpret and discuss the model and findings in terms of the economic problem you are looking at.The portfolio will be combined of data description and 3 separate tasks. Each task builds on the previous, and the techniques to be exemplified in each will relate to the textbook chapters 3,4, and 6. The complete portfolio is to be submitted in one piece at the end of the portfolio task, the complete portfolio will be assessed against the expected style and knowledge covered by that time. Formative feedback is offered throughoutThe data should be cross-sectional (no time series, no panels). Some suggestions for places to go to find data are: OECD, DataHub, Fred, the world bank and IMF. Using StataThe topic I am trying to explore is "Do higher education lead to higher income nowadays"What type of correlated data, cross-sectional data could I include or find in my study? E.g. correlated with GDP True or False: Fibers are easily matched/identified in a criminalinvestigation and always aid in catching criminals? assemblies of aligned magnetotactic bacteria and extracted magnetosomes: what is the main factor responsible for the magnetic anisotropy? 2. how much concentrated 12 m hydrochloric acid is needed to prepare 100. ml of a 2.0 m solution? m1 = m2 = show work: v1 = v2 = equation: answer: 3. to what volume should 25 ml of 15 m nitric acid by diluted to prepare a 3.0 m solution m1 = m2 = show work: v1 = v2 = equation: answer: help its past due and i have a test on it tomorrow