Distancia (en metros) que recorre un proyectil disparado desde un avión de combate, se puede describir según la función: () = 8,6t+1,25t2 + 0,6t3, donde t son los segundos transcurridos. A) ¿Cuál es la rapidez instantánea del proyectil a los 3,7 segundos de ser disparado? B) ¿Cuál es su aceleración instantánea a los 4,1segundos de ser disparado?
Answers
Answer:
a) La rapidez instantánea del proyectil a los 3,7 segundos de ser disparado es de 42,492 metros por segundo.
b) La aceleración instantánea del proyectil a los 4,1 segundos de ser disparado es de 17,26 metros por segundo al cuadrado.
Explanation:
El enunciado está incompleto puede prestarse a confusión, la forma correcta del mismo se presenta a continuación:
La distancia en metros que recorre un proyectil disparado desde un avión de combate se puede describir según la función \(s(t) = 8,6\cdot t + 1,25\cdot t^{2} + 0,6\cdot t^{3}\), donde \(t\) son los segundos transcurridos desde el lanzamiento del proyectil. a) ¿Cuál es la rapidez instantánea del proyectil a los 3,7 segundos de ser disparado? b) ¿Cuál es su aceleración instantánea a los 4,1 segundos de ser disparado?
a) La rapidez instantánea del proyectil, en metros por segundo, es la primera derivada de la función distancia con respecto al tiempo, es decir:
\(v(t) = \frac{ds(t)}{dt} = 8,6 + 2,50\cdot t + 1,8\cdot t^{2}\) (1)
Si sabemos que \(t = 3,7\,s\), entonces la rapidez instantánea del proyectil a los 3,7 segundos de ser disparado es:
\(v(3,7\,s) = 8,6 + 2,50\cdot (3,7\,s) + 1,8\cdot (3,7\,s)^{2}\)
\(v(3,7\,s) = 42,492\,\frac{m}{s}\)
La rapidez instantánea del proyectil a los 3,7 segundos de ser disparado es de 42,492 metros por segundo.
b) La aceleración instantánea del proyectil, en metros por segundo al cuadrado, es la segunda derivada de la función distancia con respecto al tiempo, es decir:
\(a(t) = \frac{dv(t)}{dt} = \frac{d^{2}s(t)}{dt^{2}} = 2,50 + 3,6\cdot t\) (2)
Si sabemos que \(t = 4,1\,s\), entonces la aceleración instantánea del proyectil a los 4,1 segundos de ser disparado es:
\(a(4,1\,s) = 2,50 + 3,6\cdot (4,1\,s)\)
\(a(4,1\,s) = 17,26\,\frac{m}{s^{2}}\)
La aceleración instantánea del proyectil a los 4,1 segundos de ser disparado es de 17,26 metros por segundo al cuadrado.
Related Questions
The word arena is used in place of "cafeteria" to suggest that A. students need other places to socialize and eat. B. students eat like animals putting on a show. C. the cafeteria is no different from the classroom. D. cafeterias are productive places in schools.
Answers
Answer: I believe its D.....
Explanation:
Section 5 Conduct a research on how COVID 19 has affected School Based Assessment in your country. 5.1 Briefly outline TWO challenges that COVID 19 caused on administration of School Based Assessment. (2 x 2) (4) 5.2 Recommend FOUR practical measures that the education sector should apply to redress COVID 19 School Based Assessment challenges. For each measure include the outcome/result. (4 x 1) (4) Section 6 [8]
Answers
Section 5:
5.1 Two challenges that COVID-19 caused in the administration of School Based Assessment in my country are as follows:
Limited access to resources: One of the significant challenges posed by COVID-19 was the limited access to resources for conducting School Based Assessments (SBAs).
Inequality in remote learning conditions: Another challenge was the unequal access to remote learning conditions.
5.2 Four practical measures that the education sector should apply to redress COVID-19 School Based Assessment challenges, along with their outcomes/results:
Provide alternative assessment options: Schools can introduce alternative assessment methods that do not solely rely on in-person or physical resources.
Develop online assessment platforms: The education sector should invest in the development of secure online assessment platforms that can be accessed by all students.
Provide support for remote learning: It is crucial to provide the necessary support and resources to students for effective remote learning.
Implement flexible assessment timelines: Given the disruptions caused by the pandemic, it is essential to adopt flexible assessment timelines to accommodate varying situations.
Section 5:
5.1 Two challenges that COVID-19 caused in the administration of School Based Assessment in my country are as follows:
Limited access to resources: One of the significant challenges posed by COVID-19 was the limited access to resources for conducting School Based Assessments (SBAs). With schools being closed or operating remotely, students faced difficulties in accessing necessary materials and resources, such as textbooks, laboratory equipment, or specialized software. This limited access affected the quality and comprehensiveness of the assessments, as students were unable to fully engage in practical or hands-on components of their assessments.
Inequality in remote learning conditions: Another challenge was the unequal access to remote learning conditions. Many students lacked access to reliable internet connectivity, computers, or suitable learning environments at home. This digital divide disproportionately affected students from disadvantaged backgrounds, limiting their ability to participate fully in SBAs conducted online. Unequal access to resources and technology led to disparities in learning outcomes and the assessment process, exacerbating existing educational inequities.
5.2 Four practical measures that the education sector should apply to redress COVID-19 School Based Assessment challenges, along with their outcomes/results:
Provide alternative assessment options: Schools can introduce alternative assessment methods that do not solely rely on in-person or physical resources. This can include assigning research-based projects, portfolios, or performance-based assessments that students can complete using available resources at home. The outcome would be a more inclusive assessment process that accommodates diverse learning environments and resources.
Develop online assessment platforms: The education sector should invest in the development of secure online assessment platforms that can be accessed by all students. These platforms should allow for the submission of various types of assessments, including written assignments, multimedia presentations, and online quizzes. The outcome would be a streamlined and standardized assessment process that can be conducted remotely, ensuring fairness and accessibility for all students.
Provide support for remote learning: It is crucial to provide the necessary support and resources to students for effective remote learning. This can involve distributing learning materials, providing access to devices and internet connectivity for students in need, and offering technical assistance to both students and teachers. The outcome would be enhanced access to educational resources and a level playing field for all students, regardless of their socioeconomic background.
Implement flexible assessment timelines: Given the disruptions caused by the pandemic, it is essential to adopt flexible assessment timelines to accommodate varying situations. This can involve extending deadlines for submission, allowing resubmissions or retakes, and providing additional assessment opportunities throughout the academic year. The outcome would be reduced stress and pressure on students, ensuring a fair assessment process that considers the challenges faced by students during the pandemic.
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explore the theme of human nature by khalil gibran in good and evil
Answers
Answer:
Explanation:
it could be argued that the most prominent universal theme in the text of The Prophet is its persistent faith in love in its relationship to life and to most human activities that are dealt with.
Article summation Topic - Tools of a healthy diet
Articles should be a summary of a scholarly article you find in the internet, magazine, or newspaper that relates to a topic of interest found in our text. Article summations are not chapter summaries.
Articles are your summary of the major points and your evaluation of these points as they relate to our topics.
relates to a topic of interest found in our text. Article summations are not chapter summaries.
Answers
A scholarly article on tools for a healthy diet emphasizes the importance of diverse food groups, nutrient-dense foods, and portion control. Following these strategies can contribute to maintaining overall well-being and a balanced diet.
Title: Tools of a Healthy Diet: A Summary and Evaluation
Article Summary:
The article titled "Tools of a Healthy Diet" explores the essential components and strategies for maintaining a nutritious and balanced diet. It emphasizes the importance of incorporating a variety of food groups, consuming adequate nutrients, and practicing portion control. The author highlights several key points regarding the tools necessary for a healthy diet.
Firstly, the article emphasizes the significance of consuming a diverse range of food groups, including fruits, vegetables, whole grains, lean proteins, and healthy fats. Each food group provides distinct nutrients that contribute to overall health and well-being. Additionally, the article emphasizes the importance of avoiding processed and sugary foods, as they tend to be low in nutritional value and can lead to various health issues.
Furthermore, the article emphasizes the need for proper nutrient intake. It recommends focusing on nutrient-dense foods that provide essential vitamins, minerals, and antioxidants. The author suggests incorporating foods such as leafy greens, berries, nuts, and seeds, which are rich in beneficial nutrients.
The article also stresses the significance of portion control in maintaining a healthy diet. It highlights the importance of mindful eating, being aware of serving sizes, and avoiding overeating. The author recommends techniques such as using smaller plates, listening to hunger cues, and practicing moderation to manage portion sizes effectively.
Evaluation:
This article provides a comprehensive overview of the tools necessary for a healthy diet. It effectively emphasizes the importance of consuming a variety of food groups, prioritizing nutrient-dense foods, and practicing portion control. The information presented aligns with the principles discussed in our text regarding the components of a balanced diet. Moreover, the article is supported by evidence-based recommendations, making it a reliable source for individuals seeking to improve their dietary habits.
In conclusion, adopting the tools mentioned in this article, such as incorporating diverse food groups, focusing on nutrient-dense foods, and practicing portion control, can contribute to maintaining a healthy diet and promoting overall well-being. By implementing these strategies, individuals can make informed choices to optimize their nutrition and lead a healthier lifestyle.
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(GIVING BRAINLIEST!!)
Her face pressed against the glass as she watched the beautiful fish swim effortlessly through the water. She just stared in amazement, wishing that for just a moment, she was on the other side of that glass. This was her favorite aquarium to visit, and she did so every chance she got. Presley was fascinated by the ocean, and she was considering going to school to become an oceanographer. Ever since she was little, life under the sea spoke to her. So much so, that she often dressed up as a mermaid and pretended she was a dolphin while swimming in the pool.
Select the sentence from the text that describes the setting of the story.
A) Ever since she was little, life under the sea spoke to her.
B) Presley was fascinated by the ocean, and she was considering going to school to become an oceanographer.
C) So much so, that she often dressed up as a mermaid and pretended she was a dolphin while swimming in the pool.
D) Her face pressed against the glass as she watched the beautiful fish swim effortlessly through the water.
Answers
Answer: The answer is b
Explanation:
What dream are George and Lennie pursuing in Of Mice and
Men? Do you think their dream is realistic? What will the need to
achieve their dream?
Answers
Answer:
Yes
Explanation:
Their dreams are realistic, The will need to be capable and hard working.
Which word best describes how a person who slips on an icy sidewalk, but doesn’t get injured, might feel?
restrained
reproved
abashed
vain
Answers
Answer: I'd say abashed because it means emabarresed and that makes sense.
ABASHED
I got 100% on my test
On what misconception is Claudia's fear of the outdoors based? Why was the owning property so important?
Answers
Claudia's fear of the outdoors is based on a misconception rooted in her past experiences or beliefs.
It could stem from a traumatic event, such as an accident or a negative encounter, which has instilled in her an irrational fear or anxiety about being outside. This fear might be reinforced by societal or cultural narratives that associate the outdoors with danger or unpredictability.
Owning property becomes important in Claudia's story because it provides her with a sense of security and control. Having her own space allows her to create a safe environment where she can manage her fears and feel protected from the perceived threats of the outside world.
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How are the cultural experiences symbolized in both ""Bag of Bones"" & ""War Works Hard?
Answers
The cultural experiences are symbolized in both "Bag of Bones" and "War Works Hard" in different ways. Below are the ways in which the cultural experiences are symbolized in both texts:In the poem "War Works Hard," Dunya Mikhail uses the metaphor of a personified war machine to show how war is a cultural experience.
The use of the machine in the poem also signifies how the war is an industrial process that is controlled by powerful people.In the story "Bag of Bones," Stephen King uses the concept of the "Bag of Bones" to symbolize how the cultural experiences of the past are always present in the present. The character Mike Noonan is haunted by the ghosts of the past, which are represented by the bag of bones.
These ghosts are symbolic of the cultural experiences that have shaped Mike's life and continue to influence him.In conclusion, both "Bag of Bones" and "War Works Hard" symbolize cultural experiences in different ways. The former uses ghosts to represent the cultural experiences of the past, while the latter uses a war machine to symbolize the cultural experiences of war.
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think about the six writing types and how your children are already using them. focus on one of the types. how will you build on the activities they are already doing? write your thoughts, then click next.
Answers
My children are already engaging in expository writing through research projects, reports and other assignments. To build upon this, I plan to incorporate more opportunities for my children to practice their expository writing in the form of essay-writing.
I can provide them with essay prompts that will allow them to practice the skill of synthesis, organization and focus of facts, as well as sharpen their ability to provide opinion or arguable points. I will also give them access to essay-writing classes or workshops where they can learn more about crafting effective expository compositions.
Additionally, I will have them practice writing letters to the editor and other opinion pieces, which will help them further develop their expository writing skills.
Finally, I will have them read expository pieces from various sources, such as newspapers, magazines and websites, which will provide them with examples of effective exposition on various topics. Thus, the activities I have outlined above are geared towards helping my children become competent writers of expository compositions.
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Hi can someone please help me with this question and give a strong explanation.
QUESTION: Let's say that someone asks you 'Are u happy"? Why would it be asked and why or how would you answer it?
Answers
Answer:
I would say yes if i actually am
Explanation:
They might ask because you might seem sad.
People tend to read your emotions during certain life events. For example, when we are receiving a particular gift from someone we tend to make a face that shows our true emotions. When a friend or a family member notices this, they'll ask if you are happy or not. You should respond by being respectful and saying something along the lines of, "I'm extremely happy, thank you!"
in the importance of being earnest how does algernon say bunbury died?
Answers
Answer: In "The Importance of Being Earnest," Algernon says that Bunbury died of a heart attack.
Explanation:
When considering public speaking, we should remind our self that learning a skill requires effort and attention, but it becomes easier once mastered.
Answers
what’s the bottom one ? can u help pls
Answers
Answer:
loyalist
Explanation:
"we have heard rumblings from thoes who are not satisfyied with the Britih rule" life is great for his family but not for the patriots
What is NOT true about heuristic evaluation? The evaluation will identify problems and opportunities for improvement It is an expert critique that test a website against a set of design guidelines It can be a single expert or a multi-expert review process The evaluation should be performed by people inside the organization
Answers
Heuristic evaluation is a usability inspection method that involves experts reviewing a website or application against a set of heuristics, or guidelines for good design. While heuristic evaluation can be a valuable tool for identifying usability issues and areas for improvement, there are some misconceptions about the process.
One common misconception is that heuristic evaluation always involves experts within the organization. In reality, heuristic evaluation can be performed by internal or external experts, or even by non-experts with some training in usability principles. The important thing is that the evaluators have a good understanding of the heuristics being used and the user population for the website or application.
Another misconception is that heuristic evaluation is a comprehensive test that will identify all problems and opportunities for improvement. While heuristic evaluation can be a useful tool for identifying usability issues, it is not a substitute for user testing or other forms of feedback from actual users. Heuristic evaluation can provide insights into design issues that may not be immediately obvious to users, but it cannot replace the need for user-centered design processes.
Overall, heuristic evaluation is a valuable tool for identifying usability issues and areas for improvement, but it is important to understand its limitations and use it in conjunction with other forms of feedback and user-centered design processes.
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lod
b.
Bibek is
to get his new puppy.
C
The
actor is in a new movie.
d.
A person has to be
to solve puzz
Some fish prefer to swim in
f.
The runt of a litter of puppies is
wate
8
The man who lives in the mansion is
h. My brother was
i.
We were tired after the
that he got a new
I like to have
football
Answers
Answer:
C. The actors is in a new movie
Explanation:
It C because you have to watch a movie
What is the main disadvantage of TV when it comes to giving audiences in de-depth reporting?
Answers
Particularly, television has a propensity to provide a dreary, repetitive voice that can cause students to lose interest. hampered by technological issues, such as a blurry or blank screen, bad sound, or no sound at all.
The processes of healthy newborn brain development, which necessitate that babies explore, play, and interact with family members, are not supported by viewing television. Passive television watching can have long-term, detrimental impacts on academic achievement if these activities are substituted.
They could be distracted from activities that promote brain development if they watch TV. Parents may find it difficult to encourage their children to play in different ways since screen time can become addictive. Long-term screen use can cause sleep disorders, difficulty falling asleep, and other health problems.
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Vocabulary: Below are 10 word pairs. For each numbered pair, write S in the blank if the second word in the pair is a synonym or and A if the word is an antonym.
Answers
The relationship between antonyms and synonyms is:
Impose (upon): burden ------> synonymRetribution: retaliation ------> antonymEndeavored: avoided ------> antonymObstinate: tenacious ------> synonymImmolation: creation ------> antonymImpunity: exemption ------> synonymSuccession: precedence ------> synonymPrecluded: included ------> antonymRecoiling: repulsing ------> synonymConnoisseurship: apprenticeship ------> synonyms.What are antonyms and synonyms?Antonyms are words that have opposite meanings that do not align, as they express opposing concepts.
Synonyms are words that, despite being spelled differently, have the same meaning.
It is important to understand these words and these two concepts because it optimizes writing and makes texts richer and more meaningful.
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This article mentions two types of credit: loans and credit cards. What's the
difference between how these two types of credit work?
Answers
Answer:
a loan is usually a big amount of money someone loans you that you have to pay back in increments. A credit card is a card with money you borrow from the bank and have to pay back monthly.
the count instructs jonathan to write three letters home. what is the content of these letters?
Answers
The Count has instructed Harker to send three letters home: one informing his family that he is nearly finished, one informing them that he is about to go, and one informing them that he has arrived at Bistritz.
A few days later, even though it is only May 19, Dracula instructs Harker to compose three letters to his fiance and employer and to date them June 12, 19, and 29. Harker is given the go-ahead by the count to write that he has left the castle and is safely returning home. The Count cautions Jonathan from dozing off anywhere else in the castle outside his assigned sleeping quarters. The Count is seen by Jonathan crawling out of a window, face down, with his cloak wrapping around him.
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The forward contracts are generally cash-settled. True False
Answers
Answer: True forward contracts are generally settled over cash
Explanation:
Forward contracts are contracts between two parties – the buyers and sellers. Under the contract, a specified asset is agreed to be traded at a later date at a specified price
A forward contract delivery can occur on mainly two basis and those are either cash or delivery basis
They do not trade on a centralized exchange and are therefore considered over-the-counter instruments
Generally, the option of cash prevails over the option of delivery basis hence making this statement true that forward contracts are generally settled over cash.
Which object is a symbol of the revitalization of life in The Secret Garden?
Answers
Answer:
Rose
Explanation:
I did the test and I got 100%
I GIVE BRAINLY. Whitney read this paragraph on a kids' safety
website.
Sunscreen is the most important thing to put on
each day! Sunscreen provides more protection
against the sun's harmful rays than wide-brim sun
hats and large beach umbrellas. Dermatologists
warn about the harmful permanent damage of
sunburn. A sunscreen with an SPF of 15 or higher
prevents this damage. Kids should apply sunscreen
thirty minutes before going outside and then reapply
it every three to four hours. Special care should be
taken to cover nose, ears, cheeks, and shoulders.
How does the writer best support the opinion that
sunscreen is the most important thing to wear?
by stating that it provides more protection than
sun hats and beach umbrellas
by stating that kids should apply sunscreen thirty
minutes before going out
O by stating that special care should be taken to
cover nose, ears, cheeks, and shoulders
by stating that sunscreen with an SPF of 15 or
higher should be worn
Answers
Answer:
By stating that it provides more protection than sun hats and beach umbrellas
Explanation:
By stating that it provides more protection than sun hats and beach umbrellas, the writer best supports the opinion that sunscreen is the most important thing to wear because it places sun screens importance over that of other wearable sun-blocking methods.
Answer:A
Explanation:
An effective response is___________ and ___________. a. honest; critical b. useful; condescending c. empathetic; sympathetic d. descriptive; brief please select the best answer from the choices provided a b c d
Answers
It should be noted that An effective response needs to be descriptive and brief in nature.
What is an effective response?
An effective response can be regarded as a reaction as well as reply to a particular request or a situation.
Therefore, when given a response whether it is in oral or verbal form, it needs to descriptive and brief so it can be understood.
A response is a response to a stimuli, such as a question, an experience, or another kind of stimulus.
You are experiencing an emotional reaction to the drama being played out on screen if you cry during sad movies. A response can take many different forms, such as an explanation for a question, an emotional response, or a rejoinder.
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this is a traditional tale about gods, goddesses, heroes, and other characters
Answers
Answer: Myths
Explanation: English definitions
A traditional tale about gods, goddesses, heroes, and other characters is commonly known as a myth. Myths are ancient stories that serve to explain the beliefs, customs, or natural phenomena of a particular culture or society.
These narratives often feature supernatural beings, such as deities and mythical creatures, and heroic figures who possess extraordinary abilities or qualities.
Myths have been an integral part of human history and have been passed down through generations, often as oral traditions or written texts.
These stories hold cultural significance and provide valuable insights into the values, morals, and worldviews of the people who created and shared them.
In summary, myths are traditional tales that explore the interactions between gods, goddesses, heroes, and other characters, offering a window into the beliefs and customs of the societies that produced them.
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PLEASE HELP: Explain the significance of the March on Washington and Josephine Baker’s contribution in the fight against racism.
Answers
Answer: The March on Washington helped create a new national understanding of the problems of racial and economic injustice. For one, it brought together demonstrators from around the country to share their respective encounters with labor discrimination and state-sponsored racism. With activists from New York City, the Mississippi Delta, or Cambridge, Md., all describing their various encounters with police brutality, labor discrimination, or housing deterioration, it became very difficult to cast racial segregation as an exclusively Southern problem.b
Explanation:The March on Washington helped create a new national understanding of the problems of racial and economic injustice. For one, it brought together demonstrators from around the country to share their respective encounters with labor discrimination and state-sponsored racism. With activists from New York City, the Mississippi Delta, or Cambridge, Md., all describing their various encounters with police brutality, labor discrimination, or housing deterioration, it became very difficult to cast racial segregation as an exclusively Southern problem.
Through the mass participation of organized labor, students, religious leaders, and un-unionized domestic workers, the march also re-articulated for national and international audiences the extent to which racism and economic exploitation remained intertwined. In a planning document co-authored by Bayard Rustin, the march's chief organizers explained that, "integration in the fields of education, housing, transportation, and public accommodations will be of limited extent and duration so long as fundamental economic inequality along racial lines persists." The ability of over 200,000 marchers to organizer under such a message—peacefully and with such forceful spokespeople as Martin Luther King, Jr.—forced party politicians and more moderate political operators to respect the ability of the American Left to make clearly stated demands and generate mass support. In addition, the march helped to provide local activists with the moral authority to push back against less progressive forces in their respective home states, making 1963 a critical year, and the march itself a critical event in the transformation of local political regimes around the country.
How is my character analysis intro?
Answers
Answer:
Good
Explanation:
Good job excellent
Which of the following pairs are antonyms?
A. irregular/variable
B. sporadic/constant
C. rare/scarce
D. scattered/spread
Answers
Answer:
B
Explanation:
antonyms are opposties. Constant is consistant, the same while sporadic is not its inconsistent.
Finish this Story. Sometimes at dusk we would see him come out from the hidden interior of his island. For years we had no idea Who he was or what he did until....
Answers
Finish this Story. Sometimes at dusk we would see him come out from the hidden interior of his island. For years, we had no idea Who he was or what he did until He called everyone to a meeting and wanted to discuss something.
What is story?A factual or made-up story told in prose or verse with the intention of capturing the listener's or reader's attention or entertaining or educating them. a fictional story that is shorter and simpler than a novel. Anecdote: a remark on the facts relevant to a situation in issue.
An narrative of episodes or events. especially: a humorous one: a fictitious story that isn't as long as a novel.
In the days of kings and queens, storage was kept on a castle's floors while it was under siege. Various supplies, like as food and weaponry, would be kept on each floor. 'Storeys' was the term used to describe the floors.
Thus, He called everyone to a meeting and wanted to discuss something is the end of the story.
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Think of a time
you overcame a challenge or obstacle.
Describe the experience in two to three sentences.
Answers
Answer:
1. be honest. hiring managers can see straight through BS
2. Be positive. Another important quality to show when answering this question is that you remained positive when overcoming a hurdle at work
3. Use the star method....
4. show how you work well under pressure...