What does the word fibre mean according to chemistry​

The linear speed of a point 3 cm from the center, spinning at a rate of 7000 revolutions per minute on a drive with a maximum speed of 12,000 revolutions per minute, is approximately 7.35 km/h.

To calculate the linear speed, we need to convert the revolutions per minute (RPM) into the linear speed at a specific point on the disc. The linear speed can be calculated using the formula:

Linear Speed = (2π × radius × RPM) / 60

Given that the disc has a diameter of 14 cm, the radius can be calculated as half of the diameter, which is 7 cm. Plugging in the values, we get:

Linear Speed = (2π × 7 cm × 7000 RPM) / 60

Converting the linear speed to km/h, we divide the result by 100,000 to convert from cm/min to km/h:

Linear Speed = [(2π × 7 cm × 7000 RPM) / 60] / 100,000 = 7.35 km/h (rounded to two decimal places)

Therefore, the linear speed of a point 3 cm from the center, spinning at a rate of 7000 revolutions per minute on the given drive, is approximately 7.35 km/h.

Understanding how to calculate linear speed based on rotational motion is essential in various fields such as physics, engineering, and mechanics. Exploring concepts like angular velocity, radius, and unit conversions can provide a deeper understanding of how linear speed is derived from rotational motion.

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Answer:

First Lady Michelle LaVaughn Robinson Obama is a lawyer, writer, and the wife of the 44th and current President, Barack Obama. She is the first African-American First Lady of the United States. Through her four main initiatives, she has become a role model for women and an advocate for healthy families, service members and their families, higher education, and international adolescent girls education.

Explanation:First Lady Michelle LaVaughn Robinson Obama is a lawyer, writer, and the wife of the 44th and current President, Barack Obama. She is the first African-American First Lady of the United States. Through her four main initiatives, she has become a role model for women and an advocate for healthy families, service members and their families, higher education, and international adolescent girls education.

Answer:

As first lady, Obama served as a role model for women and worked as an advocate for poverty awareness, education, nutrition, physical activity, and healthy eating. She supported American designers and was considered a fashion icon.

Explanation: Hope this helps :)

The sentence "Thank you for giving my team the opportunity to present our proposal for the opening of eleven new stores in Copenhagen; we’d like to meet again to discuss the details further" can be improved to make it clearer. The following are ways to improve it; Option (c) Make the sentence shorter. Option (e) Add a comma after the first two words of the sentence.

Explanation:The sentence "Thank you for giving my team the opportunity to present our proposal for the opening of eleven new stores in Copenhagen; we’d like to meet again to discuss the details further" is long and can be confusing to readers or recipients of the message. To make it clearer, the sentence needs to be improved and made simpler. The following are ways to improve the sentence so it can be clearer and concise:Option (c) Make the sentence shorter: To make the sentence shorter, the writer should try to get rid of any word that is not necessary.

For example, the word "further" at the end of the sentence is not necessary and can be removed. Also, instead of saying, "Thank you for giving my team the opportunity," the writer could say "Thank you for the opportunity."Option (e) Add a comma after the first two words of the sentence: The sentence needs a comma after the phrase "Thank you" to separate it from the rest of the sentence. This will make it clearer that the sentence is a thank you message.

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Participate in extracurricular activities, finish your assignments, maintain health and earn good grades

While there are stresses in every year of high school, many people agree that the junior year is the most difficult. Due to a number of factors, junior year might be the most difficult. Nevertheless, with the correct preparation and expectations, high school students can make the most difficult year just a little bit easier.

You will stand out not only in middle school but throughout your entire life if you help others and set a good example. A excellent role model need not be older than the other students.

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The idea that Clark Kent, in his first identity, can change into someone more powerful than what is typically thought of, is implied by the character of Superman.

When he's out in public, he conceals his identity anytime a photo of him is taken by subtly manipulating the muscles in his face in ways that only he can. It's an easy and reliable method of keeping his secret just that—a secret. Thanks to DC Rebirth in 2016, Superman was able to reclaim his secret identity and his marriage. He and Lois even have a son together today.

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Answer:

That is true.

Explanation:

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Answer:

A decelerating force can cause a moving object to stop. This can be seen when you apply the brakes on your car. A force applied at an angle to the direction of motion of an object can cause it to change direction. A side wind will cause an airplane to change its direction.

Explanation:

?

Answer: sniffy

Explanation:

Charles Schultz wanted to name the cartoon dog Sniffy. Sniffy was based on a black-and-white dog that Charles

The correct theme for the passage of "The Bohemian Girl" by Willa Cather (excerpt) is "New experiences can lead to personal discoveries and loss of innocence." The correct answer is option-A.

In the passage of "The Bohemian Girl," the speaker shares her memories of a Bohemian family she met during her childhood. They had a different way of life, which made the speaker curious and fascinated with them. The speaker learned a lot from the family and their culture, and she saw things in a new way.

This passage illustrates the theme that new experiences can lead to personal discoveries and a loss of innocence, as the speaker's experiences with the Bohemian family led to her opening her eyes to a new perspective. Therefore, the answer is option A, "New experiences can lead to personal discoveries and loss of innocence."

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The mobility problems faced by Multinational companies (MNCs) are due to the fact that employees come from different countries and faces challenges such as different time zones, language barriers, and cultural differences. These issues can be dealt with through regular discussions.

In today’s world, MNCs are facing many challenging mobility problems which they never faced before. The present-day world is far more advanced than in the past, which is why new and more advanced mobility problems have emerged. Multinational companies (MNCs) have been forced to change their policies to ensure that the needs of individuals from dozens of nationalities are met.

As the mobility problem faced by the MNCs involves employees who come from different countries, they have to face many challenges, such as different time zones, language barriers, and cultural differences. These problems need to be dealt with efficiently to ensure that employees remain happy and motivated. MNCs must prioritize their employees' needs by providing the necessary resources, training, and support to manage these challenges effectively.

The role of discussions is very crucial in dealing with these mobility problems. MNCs should have regular discussions to identify problems faced by their employees and to find ways to resolve them. This can help MNCs to come up with new and innovative solutions to deal with mobility problems. By doing this, they can ensure that their employees are happy, motivated, and able to perform to the best of their abilities.

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The principle of cross-cutting relationships is useful in determining relative age in the following situations: A fault breaks through sedimentary layers, Igneous rock forms between sedimentary layers. Lava flows form on top of one another from several eruptions over time. Options 1, 2 and 3.

1. A fault breaks through sedimentary layers: The fault is younger than the layers it cuts through, as it must have occurred after the layers were formed.

2. The formation of an intrusion in the Earth's surface: The intrusion is younger than the surrounding rock layers, since it penetrates and cuts across them.

3. Lava flows form on top of one another from several eruptions over time: Each subsequent lava flow is younger than the one beneath it, as it forms on top of the previous flow.

These situations demonstrate the application of cross-cutting relationships in establishing the relative age of geological formations. Options 1, 2 and 3.

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According to the Impact / Profile box, "Muckraker Ida Tarbell Exposes Standard Oil’s John D. Rockefeller," the statement that is true is C. She was America’s first muckraking journalist.

A muckraker is someone who exposes dishonesty or corruption in a given society. As a result, a muckraker is someone who is an investigative journalist.

The term "muckraker" refers to someone who is investigating a situation, whether it be a company or a societal issue. They are looking to uncover the truth of the matter, even if it means exposing individuals or corporations for their misdeeds.Ida Tarbell was a muckraker who sought to expose the truth behind John D. Rockefeller and Standard Oil. In the process, she became known as one of America's first muckraking journalists.

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Answer:

full of

filled with

swarming with

rife with

thick with

bristling with

charged with

loaded with

brimful of

brimming with

attended by

Answer:

Explanation:

Add these for your compare

Answer:

In both pieces of these passages, Amy and Alfonso wanted to change their looks so that they could appealing to the people around them. Amy did not like her nose and wanted to have an American nose as she disliked her moms choice of food for the dinner they had and the fact that she looked like a Chinese. On the other hand, Alfonso wanted his teeth because they did not look as beautiful as he wanted them to. Their heart desires were to please people and gain confidence. Their behavior brings about the idea of belonging. They both wanted to belong, but basically in both stories they must learn to appreciate themselves and their culture, although Broken chain focuses more on learning to love and appreciate other people, while Fish Cheeks is about people appreciating their culture. Physical appearance is very important in both stories, both change their looks to that others will like them better.

Explanation: final draft type beat

Answer:

The error in the sentence is that the sentence contains a verb voice shift

Explanation:

Its not run on, it has the subjects, and I don't see any issues with the punctuation.

Critical comments on a written document should be viewed as an opportunity to receive feedback and constructive criticism that can help improve the quality and effectiveness of the document.

While some comments may be overly harsh or unhelpful, most critical comments are intended to point out areas where the document can be improved, whether it be in terms of clarity, organization, tone, or content.

It's important to approach critical comments with an open mind and a willingness to learn from them.

Even if the comments may be difficult to hear, they can provide valuable insights and perspectives that can help you refine your writing and communication skills. Rather than viewing critical comments as an attack or a personal criticism, try to see them as a way to grow and develop as a writer.

Incorporating feedback from critical comments can involve making simple changes, such as revising sentence structure or word choice, but it can also involve more substantive revisions to the content or structure of the document.

It's important to carefully consider each comment and decide whether or not it is valid and how best to incorporate the feedback into the document.

Ultimately, the goal is to create a document that effectively communicates its message and achieves its intended purpose, and critical comments can be a valuable tool in achieving that goal.

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The word "complex" in the given excerpt from "The Future of Money" most likely means "difficult to solve." This is inferred from the context that computer experts can "mine" bitcoin by solving complex math problems related to the blockchain. The complexity of the math problems is what makes it challenging and requires expertise in the field of computer science.

The concept of earning bitcoins by solving complex mathematical problems is known as bitcoin mining. Bitcoin mining involves solving complex mathematical algorithms that validate transactions in the blockchain network. This requires a lot of computational power, energy, and technical expertise.

Apart from bitcoin mining, there are various other ways to earn bitcoins. People can also earn bitcoins by accepting them as a form of payment for goods and services, participating in online surveys, and playing games that pay in bitcoins.

As the use of digital currencies like bitcoin is gaining popularity, it is important to understand the different ways of earning them. However, it is essential to note that the value of bitcoins is highly volatile, and there is no guarantee of earning profits.

Therefore, it is important to research and understand the risks involved before investing time and resources into earning bitcoins.

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Answer:

could you give us a better explanation

Answer:

Explanation:

m

The reactions of "proper Bostonians" to social crises cannot be generalized since each person has unique and nuanced ways of responding.

While some may engage in playful antics, others may seek the guidance of an attorney for resolution. Certain individuals might distance themselves from those implicated in the dilemma while others feel ashamed about its occurrence.

Ultimately, how someone manages a social crisis relates directly to the distinct values, beliefs, and coping mechanisms they have cultivated over time.

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Answer:

At a bookstore

Explanation:

Linda has to be somewhere to purchase a book to give it to a friend. If she were at a library she'd have to check it out, meaning her friend would have to return her present! If she were at a school she wouldn't be able to just give one of their books away. The most logical option is a bookstore.

Answer:

Both are integrated in an exploration of the rural Black southern aesthetic—from ... cultural legacy of the rural south, a testament to her incredible skills as a ... northern migration that stretched over four decades as hundreds of ... differences” (West 262). ... with Hurston' racial ambivalence and pastel portrayals of rustic Blacks

Explanation:

The appropriate models to complete the sentences are: "haven't been able to," "can," "can't," "used to be able to," and "can't." These modals accurately convey the intended meaning and context of each sentence.

I haven't been able to sleep very well recently.

Tom can drive, but he doesn't have a car.

I can't understand Martin. I've never been able to understand him.

I used to be able to stand on my head, but I can't do it now.

She can't run very fast now, but when she was at school, she could run faster than anyone else.

"Haven't been able to" implies a continuous inability to sleep well.

"Can" indicates Tom's ability to drive, while "doesn't have" reflects the absence of a car.

"Can't" denotes the present inability to understand Martin, and "have never been able to" suggests a past and ongoing difficulty.

"Used to be able to" conveys the past ability to stand on the head, but "can't" indicates the current inability.

"Can't" expresses her present incapacity to run fast, while "could" highlights her past ability during school.

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The sentences that contain Present Perfect Tense are:

This refers to the term that is used to refer to the type of tense that is used for past actions that also continue into the present.

Hence, it can be seen that the sentences that contains present perfect tense has been listed above.

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The term "contaminants" in the given sentence refers to polluting substances that can be removed by the new material invented by Argon ide Corporation. The correct option is B.

In the given sentence, the term "contaminants" refers to polluting substances that are present in a liquid or gas. These contaminants can include various types of impurities such as bacteria, viruses, particles, and other organic and inorganic matter.

The purpose of the material invented by Argon ide Corporation is to remove these contaminants from a fluid, thereby making it pure and safe for use.
The positively charged microscopic alumina fibers in the material attract negatively charged particles, including bacteria and viruses, and trap them in the pores of the fibers.

Despite having larger pores, the material can remove virtually all types of contaminants due to the electrostatic attraction between the fibers and the impurities.
It is worth noting that activated carbon is another material commonly used for removing contaminants from fluids. However, it has smaller pores and a lower flow rate compared to the material invented by Argonide Corporation.

Therefore, the new material has an advantage in terms of efficiency and speed of filtration.
In summary, the term "contaminants" in the given sentence refers to polluting substances that can be removed by the new material invented by Argonide Corporation.

The material is made up of positively charged microscopic alumina fibers, which can attract and trap negatively charged particles, including bacteria and viruses, despite having larger pores.

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B. polluting substances

Answer: King Solomon

Explanation:

One example from chapter 8 of how early warning systems have been used to make people's lives better is Hurricane Katrina in 2005. An early warning system helped in reducing the number of fatalities and injuries caused by the hurricane.

Before the hurricane hit, the National Weather Service issued an advisory to the public to prepare and evacuate the area. This advisory was the result of an early warning system that detected the hurricane's approach and provided information about its expected impact.

As a result of this early warning system, many people were able to evacuate the area, which reduced the number of fatalities and injuries caused by the hurricane. The early warning system also helped emergency responders to prepare and respond to the disaster, which helped to minimize its impact on the affected communities.

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Option B is correct, the stage directions and dialogue suggest about Guenevere that she is married and content.

They give information on how the playwright conceived the setting and ambiance. Important physical details about the surroundings and characters are described. The desired speed and rhythm of the composition can also be determined by the stage directions.

The socks stand in for Guenevere and King Arthur's blissful marriage. She is darning her husband's socks prior to all the drama occurring and causing a commotion. Even after everything that transpired, she continues to darn socks because she is confident that her marriage is in a happy and wonderful place.

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Answer:

fact

stat

anecdote

expert opinion

Explanation:

Answer:

hi

Explanation:

info that has been proven to be true = fact

info in the form of numbers = statistic

a true story = anecdote

judgment of an authority on a subj = expert opinion