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You throw a ball upwards from a starting height of 0.0m with a velocity of 4.56m/s. a) What is the vi? b) what is the velocity when the ball reaches its highest point? c) What is the acceleration when you throw the ball? d) What is the acceleration at the ball’s highest point? e) What is the velocity right as the ball reaches your hand on its way back down? (Your hand is at di=0m)

Answers

Answer 1

Answer:

Following are the solution to the given points:

Explanation:

In point a:

[tex]v_i = 4.56 \ \frac{m}{s}[/tex]

In point b:

The highest point : v=0

In point c:

[tex]a= -g \ \frac{m}{s^2} = -9.8 \frac{m}{s^2}[/tex]

In point d:  

The highest point: [tex]a= -9.8 \ \frac{m}{s}[/tex]  

In point e:

[tex]v^2=v_i^{2}+2g \Delta h \ \ \ \ \ \ Delta h=0\\\\v^2 = v_i^{2}\\\\v= 4.56 \ \ \frac{m}{s}[/tex]

Therefore, the velocity of the ball when it reaches into the hand [tex]4.56 \ \frac{m}{s}[/tex].


Related Questions

what is the plot of The Myth of Music poem

Answers

Summary of The Myth of Music
Harper describes the mythical power of music to convey one's generational, personal and familial relationships. The poem begins with the speaker describing how one particular type of music, that has been given to her like “oral history,” defines her life with her family.

What are some economic push factors?

Answers

Answer:

Poor infrastructure that results in services that fall short of being adequate.

Famine often caused by bad crops or unfavorable weather conditions.

Lack of adequate medical care.

High levels of long-term unemployment.

Extreme poverty and lack of socio-economic upward mobility.

Answer:

Push factors may include conflict, drought, famine, or extreme religious activity. Poor economic activity and lack of job opportunities are also strong push factors for migration. ... Better economic opportunities, more jobs, and the promise of a better life often pull people into new locations.

Respond to parts 1 and 2 below.

1. Explain the two primary ways to solve problems: algorithms and heuristics.
2. Describe how people can make errors in thinking by describing the following concepts: confirmation bias, mental set, intuition, availability heuristic, representative heuristic, overconfidence, belief perseverance, and framing.

Answers

Answer:

EDG2020

Explanation:

1. An algorithm is a defined set of step-by-step procedures that provides the correct answer to a particular problem. By following the instructions correctly, you are guaranteed to arrive at the right answer. Making it the best way to solve a simple problem. a mental shortcut that allows people to solve problems and make judgments quickly and efficiently. These rule-of-thumb strategies shorten decision-making time and allow people to function without constantly stopping to think about their next course of action. This allows someone to save time on a problem and make quick work of timed tests and quizzes.

2 There is a couple ways errors can occur. First, is availability heuristic, this is a mental shortcut that relies on immediate examples that come to a person's mind when evaluating a specific topic. This can lead to that person immediate thought being wrong and throwing of their thinking. That could leadf to overconfidence in that immediate answer as well because you want to "trust your insticnts" but it might not always be right. Confirmation bias can also throw off thinking because it has the tendency to search for, interpret, favor, and recall information in a way that confirms or supports one's prior beliefs or values. If someone's belief isn't the right answer then they will be wrong. This kind of goes hand in hand with mental set which is a tendency to only see solutions that have worked in the past. If you have a bias for what has worked in the pass that is both confirmation and mental set. Mental set can lead to many errors because if guessing all C in the past got you a 100% its not gunna work the next time. Belief perserverance also works with metal set. If something worked in the past but someone told you that its not gunna work and showed you but you still go with what worked in the past. This also works with always guessing C because if someone told you the answers before the test they will still guess all C. Another way an error can occur is representative heuristic. This leads to a persons thinking to confuse two events to be similar when they actually aren't. This can throw off thinking by leading someone down the wrong path leading to a totally wrong answer. framing can also cause error. say that an ice cream contain 20% fat and the other option contain 80% less fat. Someone is more likely to pick the one with 80% less fat because it has more of a positive connotation. Even though they are the same a person wants to pick something with less risk. This could cause errors in thinking because the positive option may not always be the correct option.

An algorithm is a defined set of step-by-step procedures that provides the correct answer to a particular problem.

Errors are an availability rule, which is a mental shortcut that relies on immediate examples that come to a person's mind when evaluating a specific topic.

What is an algorithm?

Making it the best means to solve a simple problem. A mental shortcut that allows people to solve problems and make judgments quickly and efficiently.

These strategies change decision-making time and allow people to function without constantly stopping over to think about their next course of action. This allows someone to save time on an issue and make ready work of time tests and examines.

Therefore, An algorithm is a predetermined series of detailed steps that offers the ideal solution to a certain concern.

Errors are availability formulas, a rational cutoff that depends on the first examples that spring to mind when assessing a certain subject.

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high iq question. Jesus is epic.
A.) Strongly agree
B.)Agree
C.)yes
D.) Duh

Answers

Answer:

duh

Explanation:

Answer:

E.) all of the above :) (:

Please select the word from the list that best fits the definition
Power exercised through the people.
charismatic authority
democracy
monarchy
constitutional monarchy
democratic socialism
dictatorship
junta

Answers

A form of power that is exercised through the people is generally referred to as: A. democracy.

What is democracy?

Democracy can be defined as a type of government that is established by the people and generally for the people. This ultimately implies that, a democracy refers to a type of government that accords all the power to the people.

In conclusion, we can deduce that form of power that is exercised through the people is generally referred to as democracy.

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Answer:

A. Democracy

Explanation:

When compared with other developed countries, the United States struggles
with:
A. a poorly ranked health care system.
B. rising levels of inflation,
e
c. a low gross domestic product,
D. high levels of unemployment.

Answers

Answer:

A. a poorly ranked health care system.

Explanation:

When compared with other developed countries, the United States struggles with a poorly ranked health care system. The correct option is A.

What is Healthcare system?

A health system, also known as a health care system or healthcare system, is an organization of people, institutions, and resources that provides health care services to target populations.

A health system, according to the 2016 Compendium of US Health Systems, is an organization that includes at least one hospital and at least one group of physicians who provide comprehensive care and are connected to each other and to the hospital through common ownership.

Life expectancy, average education level, and quality of life are all lower in developing countries. The Human Development Index is the name given to this standard.

According to this development index, the majority of African and South Asian countries, as well as half of the Middle Eastern countries, are still developing.

Thus, the correct option is A.

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hello! 8 more days until Christmas heheh<3

Answers

Answer:

Ya

Explanation:

Answer:

YES!

Explanation:

Although terminally differentiated cells do not divide, the nuclei in these cells are still the site of what important function? O A carbohydrate synthesis O B. DNA synthesis C. mRNA synthesis D. protein synthesis​

Answers

Answer: D. protein synthesis​

Explanation:

The terminated differentiated cells are those cells which have lost their ability to proliferate or divide further. The nuclei in these cells cannot divide due to inefficiency for cell division which triggers the DNA synthesis. The cells are specialized in a way that they can produce specialized proteins for performing a specific function in the body.

Which type of research is most likely to reveal true cause-and-effect
relationships?
O A. Experimental
B. Observational
C. Case study
D. Correlational
E. Survey

Answers

Answer:

A. Experimental

Explanation:

D T F anyone answer if you do

Answers

I don’t understand, is this a question?

No matter if there are 1 billion or 7 billion people living on earth, there are certain
factors that can affect the rate of population growth. What are these factors? (Select
all that apply)
A) Disease
B) Environmental Changes
C) Conflict
D) Migration

Answers

A) disease .......:$
I think they all apply.
A. You can use the current pandemic as an example
B. Global warming
C. People fighting resulting in a lesser population
D. People moving into smaller areas

Which personality trait of the frontiersman is most closely linked to the desire
for a democratic government?
O A. Intolerance
O B. Individualism
O C. Ruggedness
O D. Resilience

Answers

Option D, Resilience

Answer:

B

Explanation:

Just took the quiz

Explain one significant economic or political cause for the outbreak of the French Revolution in 1789.

Answers

The correct answer to this open question is the following.

One significant economic cause for the outbreak of the French Revolution in 1789 was the hunger and poverty in a time when the King of France and his court lived an opulent life.

Yes, the economic issues that led the French people to revolt against their government were that hunger and poverty in a time when the King of France and his court lived an opulent life.

This created and injustice and equality because the third state members were the ones who had to pay most of the taxes, making the king richer while they were very poor.

The harsh economic conditions lived by the members of teh Third State and the inequity and injustice, were issues that made the French people start the revolt.

Read this excerpt from Through the Looking-Glass by
Lewis Carroll
Which idea does this excerpt support?
"And when I found the door was locked,
I pulled and pushed and kicked and knocked.
O Alice is not very skilled at understanding poetry.
O The rules of the Looking-Glass land can be strange
O Alice finds it hard to communicate in the Looking-
Glass land.
O Humpty Dumpty is a nursery-rhyme character.
And when I found the door was shut,
I tried to turn the handle, but-"
There was a long pause.
"Is that all?" Alice timidly asked.
"That's all," said Humpty Dumpty. "Good-bye."
Mark this and return
Jhm
Submit

Answers

Answer:

Alice finds it hard to communicate in the looking glass land edge answer 2020

Explanation:

Answer:

the answer is c

Explanation:

I've read the book it's the only one that makes sense

it could also be A though...

What is a theme of The Myth of Music

Answers

Answer:

Explanation:

“The Myth of Music” by Rachel M. Harper describes the mythical power of music to convey one's generational, personal and familial relationships. The poem begins with the speaker describing how one particular type of music, that has been given to her like “oral history,” defines her life with her family.

hope this helped :D

In this assignment, you will label a blank diagram of an ear and describe the steps for how hearing works


In the space below, describe how hearing works. Include all parts of the ear and brain that the energy
goes in and through. Your description can be written as a series of numbered steps or in paragraph form.

Answers

Answer:

Sound waves from the source of sound are trapped by the pinna and collected to the to the auditory canal where they are concentrated to the middle ear consisting of the ear drum (stirrup, anvil, hammer). Here the sound waves are amplified further to the semi-circular canal where these waves are converted to impulses and sent to the brain via the auditory nerve for interpretation

Answer:

Explanation:

Sound waves enter the ear and are trapped in the pinna. They go through the auditory canal to the ear drum in the middle ear. The parts of the middle ear are the stirrup, anvil, and hammer. These sounds are sent to the vestibular system and then sent through the auditory nerve to the brain.

what are some economic pull factors?

Answers

High unemployment is an example of a common push factor. An abundance of jobs is an example of a pull factor

WHY DO THEY CALL YOUR SHIP THE
"CHUCKIE V"?

Tell me the facts not the fiction for the nickname.

Answers

The facts not the fiction for the nickname.

Explanation:

What was Melvin Tumin's critique of the theories of Kingsley Davis and
Wilbert Moore?
O A. That social stratification is a historical concept, not a present-day
concept
B. That social stratification occurs in agrarian societies, not
industrialized societies
O C. That social stratification is good for a society, not harmful
O D. That the result of social stratification is conflict, not function

Answers

Tumin's critique of the theories of Kingsley Davis and Wilbert Moore was that the result of social stratification is conflict, not function (Option D).

Who were Kingsley Davis and Wilbert Moore?

Kingsley Davis and Wilbert Moore were two sociologists that published the renowned Davis–Moore hypothesis.

This hypothesis states the importance that social roles have in society and the rewards obtained from them.

This hypothesis can be used as a theoretical framework to motivate people by means of rewards.

In conclusion, Tumin's critique of the theories of Kingsley Davis and Wilbert Moore was that the result of social stratification is conflict, not function (Option D).

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A farmer has 100 lb of apples and 50 lb of potatoes for sale. The market price for apples (per pound) each day is a random variable with a mean of .5 dollars and a standard deviation is 0.2 dollars. Similarity, for a pound of potatoes, the mean is 0.3 dollars and the standard deviation is 0.1 dollar. If also costs him 2 dollars to bring all the apples and potatoes to the market. The market is busy with eager shoppers, so we can assume that he’ll be able to sell all of each type of produce at that day’s price.

Answers

a. 100X+50Y-2
b.$63
c.$20.62
d. yes

Explain how digital communications are affecting many aspects of
relationships.
please make it long thank u

Answers

Digital Communications has provided benefits to relationships especially long distance relationships. It helps people feel connected with each other. Through the use of digital communications such as Facetime or Zoom, it gives oppurtunity to people whom you feel close to interact with you through the screen. long distance relationships tends to work because of digital communications , interacting online has been a lot more easier.

Sorry if its short but i couldnt think of anything feel free to add more things if you’d like

The best type of soil for farming has a high organic content and a mixture of sediment particle sizes. Which of the
following statements correctly explains how particle sizes affect the soil?
A) Small particles, such as clay, help to retain moisture.
B) Small particles, such as sand, help to repel chemical additives.
C) Large particles, such as clay, help in the flow of water.
D) Large particles, such as pebbles, help to retain moisture.

Answers

Answer: i believe it’s c) large particles such as clay help with the flow of water

Explanation:

I don’t know for sure but I’m almost certain

Answer:

A) Small particles, such as clay, help to retain moisture.

Explanation:

edg

Geographers use all of the following measures to determine population trends EXCEPT
A. the sex ratio.
B. the natural birthrate.
C. the crude death rate.
D. the dependency ratio.
E. the natural increase rate.

Answers

Answer:

the dependency ratio..

Definitely D. Bc it can’t be the rest

What are some environmental push and pull factors?

Answers

Answer:

Environmental pull factors are physical attractors

Explanation:

Push                                                        Pull

natural disasters                                    warm or temperate climates

droughts                                                 coastal areas,

                                                                mountain views  

flooding

lack of resources

Which of the following is a skill?
A Singing
B. Knitting
G. Running
D. Walking

Answers

I think all are but I’d say knitting
I think it would be knitting because running ,walking and singing cone naturally

Hope this helps

Have a great day/night

Which of the following undercut farmers in developing countries?
A) competition among local food growers
B) donations from other countries
C) disruptions in distributions
D) transportation of food over long distances

Answers

Answer:

A

Explanation: because

Answer: Might be B? If not then C.

Explanation: I would suggest B since developing country farmers suffer when other countries export cheap foods to them. This creates competition and can hurt the farmers’ source of income, essentially undercutting them. If it isn’t B, it has to be C since I got D wrong :)

PLZ HELP
Okonkwo says "They are fools...They had been warned that danger was ahead. They should have armed themselves with their guns and their machetes even when they went to market."

What does this quote show about Okonkwo? For full credit:

Write at least two complete sentences as your response.
Include dependent clauses in each sentence (A dependent clause starts with words like although, while, if, since, because, until).

Answers

The correct answer to this open question is the following.

Okonkwo says: "They are fools...They had been warned that danger was ahead. They should have armed themselves with their guns and their machetes even when they went to market."

What this quote shows about Okonkwo is the following.

1.-

Although Okonkwo tried to warn people about the danger coming, they never paid heed to his warnings, and fatality ended up coming to them.

2.-

If people would have paid attention to the urgency of Okonkwo's warmings, they could have been prepared to defend themselves and the result probably would be different.

As we know in grammar, a dependent clause has to have a subject, verb, and complement because it can't stand alone.

i need opinions how do you get a kid to be good? He is 3 years old turning 4, 2/22/2021

Answers

Answer:

happy early birthday, first of all. but i say teach him that actions have consequences by disciplining him, but not too much. im not a parent, and still in school, but that should be a good start at least

Explanation:

Hydrogen peroxide breaks down to form water and oxygen gas. When this reaction occurred, the following observations were made:I. The mass of the solution remains the same.II. Phase changes are observed.III. The color of the solution remains clear.IV. The temperature of the solution increases. Which observation is evidence that a chemical change has occurred?

Answers

Answer:

IV. The temperature of the solution increases.

Explanation:

The evidence that shows a chemical change is the temperature of the solution increases. The correct option is D.

What is chemical change?

Chemical changes occur when one substance combines with another to form a new substance, which is referred to as chemical synthesis or, alternatively, chemical decomposition into two or more different substances.

These processes are known as chemical reactions, and they are generally irreversible except through additional chemical reactions.

The average speed of the reaction molecules increases as temperature rises. As more particles move faster, the number of molecules moving fast enough to react increases, resulting in faster product formation.

By heating the mixture, you raise the energy levels of the molecules involved in the reaction.

As the temperature rises, the molecules move faster and "bump" into each other more frequently. More collisions provide more opportunities for reaction.

Thus, the correct option is D.

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Answer My Riddles And You will have good luck : I speak without a mouth and hear without ears. I have no body, but I come alive with wind. What am I? and the last one:A woman shoots her husband, then holds him underwater for five minutes. Next, she hangs him. Right after, they enjoy a lovely dinner. Explain.

Answers

Answer:

The first one I thinks it's a element, the second question its that his wife is mad at his husband

Answer:

echo

Explanation:

1:“I speak without a mouth and hear without ears. I have nobody but come alive with wind. What am I?” An echo is a reflection of your own voice.Which is why an echo can "speak without a mouth and hear without ears".

2: The woman was a photographer.she shot a picture of her husband,developed it,and hung it up to dry.

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