A 1. 5-kilogram lab cart is accelerated uniformly from rest to a speed of 2. 0 meters per second in 0. 50 second. What is the magnitude of the force producing this acceleration?.

Answers

Answer 1

The magnitude of the force producing this acceleration is found to be 3.0 N.

What is Force?

Force may be defined as the process of pushing and pulling an object with an appropriate mass in order to cause it to change its velocity with respect to time.

Force is a vector quantity as it has both magnitude and direction. Force is an external agent which is generally capable of changing a body's state of rest or motion with respect to time.

According to the question,

The total mass of an object = 1.5 kg.

The speed of an object = 2.0 m/sec.

So, the formula for calculating the magnitude of the force is as follows:

Force = Mass × Acceleration.

                   = 1.5 kg × 2.0 m/sec = 3.0 N.

Therefore, the magnitude of the force producing this acceleration is found to be 3.0 N.

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Related Questions

What change in a population would you expect to see if a selection pressure was against the trait of a dominant allele in that population?.

Answers

Answer:

The change in population in the given condition would be an increase of true recessive traits in the population and there would be only a few individuals with dominant traits.

In case of selection pressure was against the dominant trait, then individuals of the population who have true recessive alleles would have an advantage over the heterozygous and dominant individuals of the population.

There would be very few individuals carrying its dominant genotype and it may eventually be extinct, however, it would be still dominant. The recessive trait would just become more prominent rather than becoming dominant.

Thus, the number of recessive traits would increase in population, and the number of dominant decrease to numbers.

Explanation:

The writer wants to start the third paragraph (sentences 10-14) with a sentence that captures what the different claims and evidence in the paragraph are meant to show. Which of the following sentences should the writer add immediately before sentence 10 to achieve this goal?.

Answers

Transition words are those words or phrases which are used to link ideas across paragraphs or inside a given sentence and this helps the reader to understand that the ideas in one paragraph are further explained.

Some examples of transition words includes:

HoweverButThereforeWithout much adoFurthermore, etc

With this in mind, if a person wants to properly capture the different claims and evidence which a paragraph is meant to show, then this would be to make use of transition words and also give relevant information.

Please note that your question is incomplete so I gave you a general overview so that you could get a better understanding of the concept.

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A hot air balloon exerts a force of 1200 newtons while lifting a load of 800 newtons. Which free-body force diagram depicts the forces involved?.

Answers

Answer:

the force is called electrostatic force

Read the sentence. The snow and ice that arrived last night elated kids and adults alike when they awoke to a winter wonderland. What is the simple subject of the sentence?.

Answers

I suppose the simple subject would be the snow! Hope this helps =]

Deanna is a new medical assistant in the office in which you work. She does not understand the matrix for making appointments. On her second day at work, she is on her own to make appointments, because the person who usually makes appointments is out with a sick child. Deanna makes two appointments in each slot as she did in her previous place of employment instead of the one that should have been made using the matrix. How will this affect the patients who are being seen for the next few days? what will this mistake do to public relations in the office?.

Answers

Based on the information given, the impact of the appointments made will be that the slot time will be changed or there'll be an increase in the waiting time.

From the information given, Deanna should have made one appointment but rather, she made two appointments. This will lead to an increase in the waiting time for the other patients.

The impact of the mistake on public relations in the office is that it will lead to delay in services and a poor guidance system.

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Raymond bought a car for $40, 000. He took a $20,000 loan from a bank at an interest rate of 15% per year for a 3-year period. What is the total amount (interest and loan) that he would have to pay the bank at the end of 3 years?.

Answers

Answer:

20000*(1+15%)³=30417.5

Explanation:

The number $40000 is irrelevant. Don't be disturbed!

This is a typical compound interest question. Use the compound interest formula: S=p(1+i)ⁿ

S for sum, p for principal balance, i for interest rate, n for the number of years or times

A security team is working with a client to evaluate the security of data and it functions that are most critical to the operation and success of their organization.

Answers

The three (3) security goals that would align and prioritize security efforts to the business goals of an organization are:

1. Confidentiality

2. Integrity

3. Availability

A security goal can be defined as both the short-term and long-term strategic objectives that detects and protects the assets of a business organization from theft or misappropriation by any internal or external party.

This ultimately implies that, it is very important that security goals of a business organization are aligned with its business goals.

Generally, there are three (3) main security goals for all business organizations and these include:

Confidentiality: the confidentiality of all data and assets should be well protected.

Integrity: the integrity of all data and assets should be preserved.

Availability: all data and assets should be provided for authorized use only.

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How many grams of lead product would theoretically be produced between 17. 0 g potassium iodide, ki, and 25. 0 g of lead (ii) nitrate, pb(no3)2?.

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The number of grams of lead product that would theoretically be produced from the given reaction is; Mass of lead product = 23.6 g

Potassium iodide reacting with Lead(II) Nitrate would yield the balanced equation;

2KI + Pb(NO₃)₂ = 2KNO₃ + PbI₂

2moles : 1 mole = 2 moles : 1 mole

From online tables;

Molar mass of KI = 166 g/mol

Molar mass of Pb(NO₃)₂ = 331.2 g/mol

We are given;

Mass of KI = 17 g

Mass of Pb(NO₃)₂ = 25 g

Thus;

Number of moles of PbI₂ yielded in order to find the limiting reactant will be;

no of moles of PbI₂ from KI = (17g/166 g/mol) × (1 mole of PbI₂/2 mol of KI)

no of moles of PbI₂ from KI = 0.0512 mols

Similarly;

no of moles of PbI₂ from Pb(NO₃)₂ = (25g/331.2 g/mol) × (1 mole of PbI₂/1 mol of Pb(NO₃)₂)

no of moles of PbI₂ from Pb(NO₃)₂ = 0.0755 moles

We can see that KI produced the least amount of moles. Thus;

Mass = 0.0512 * molar mass of  PbI₂

From tables, molar mass of  PbI₂ = 461 g/mol

Thus;

Mass of lead product = 461 * 0.0512

Mass of lead product = 23.6 g

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David is a sophomore in high school and is studying for his united states history exam, in which he must recall all of the battles in the american revolutionary war. At first, he begins by just trying to group all of the facts associated with each battle into his memory. When he realizes he is forgetting some battles, he begins repeatedly associating the events that occurred in each battle with the place where the battle occurred. He finds he remembers the battles more readily this way, but he is still having a hard time remembering all the facts associated with each battle. Because he continues to think this is the best way to approach learning, he continues to study in this manner. After several bad grades, he realizes that his studying technique is not working, so he asks a friend who is doing better at remembering everything how she is studying. She said she is making up stories about each battle and how each battle is connected with other battles. David tries this method and finds it was much more effective for him.

Answers

People are often influenced by different things that affect their behavior. The concepts that relates to this scenario is explained below.

Metacognition is known to be the act of thinking about one's own thought and learning. David first use a method to remember the battles in the American Revolutionary war, and later on uses an alternative method. He asked a friend when he saw his errors. This shows that David understood his thought process and is trying too control it.

Method of loci is known as a strategy of memory enhancement that uses visualizations to boast e recall of information. David uses this to link the events that happened in each battle with the place where the battle took place.

Deep processing is known as a step taken in processing spectrum of mental recall via examining of language used.  David's friend uses stories for each battle and connects it with other battles. David then uses deep processing via examining the battles too.

Rehearsal often uses repetition to remember things. David always practicing boast his remembrance of the battles in the American Revolutionary War.

Elaboration is used to enhance total remembrance. By making up stories about each battle and relates it to other battles, it aid David in learning.

Chunking is known as the act of taking different pieces of information and placing them into larger units. David friends sees each battle as a single unit and then they often link up the different events together.

Mental set is known as the ability of the brain to stick with the most familiar solution to a problem and ignore others. David uses the friends method and apply as it aid remembrance more.

See the other part of the question

Explain how each of the following concepts relates to this scenario.

Metacognition

Method of loci

Deep processing

Rehearsal

Elaboration

Chunking

Mental set

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If a recessive allele helps an organism reproduce but a dominant allele hinders reproduction, which will become more prominent over time?.

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It is expected the recessive allele becomes more prominent over time.

In general, nature favors traits that help organisms survive and reproduce. This occurs through a process known as natural selection that helps the population to evolve to have favorable traits.

This evolution occurs externally as organisms change their physical traits or phenotype, but also at a genetic level.

This implies that even if a trait is genetically dominant if the trait does not favor survival and reproduction, this trait will slowly disappear or reduce over generations.

Based on this, the recessive allele will become more prominent because this trait favors reproduction, while the dominant allele will become less prominent.

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In casting experiments performed using a certain alloy.

Answers

Answer:
A) Cm = 2.232 s/mm²
B) Time taken to solidify = 74.3 seconds
Explanation:
(A) Since a side is 50mm and all sides of a cube are equal, thus, Volume of the cube is;V = 50 x 50 x 50 = 125,000 mm³
There are 6 faces of the cube, thus Surface Area A = 6 x (50 x 50) = 15,000 mm²
So, Volume/Area = (V/A) = 125,000/15,000 = 8.333 mm
Cm is given by the formula; Cm =[Tts] /(V/A)² where Tts is time taken to solidify and it's 155 seconds in the question. Thus;
Cm = 155/(8.333)²= 2.232 s/mm²
(B) For;Cylindrical casting with D = 30 mm and L = 50 mm.;
Volume of cylinder is;
V = (πD²L) /4
So,V = (π x 30² x 50)/4 = 35,343mm³
Surface area of cylinder is;
A = (2πD²)/4 + (πDL)
Thus, A = ((π x 30²)/2) + (π x 30 x 50) = 6126 mm²
Volume/Area is;
V/A = 35,343/6126 = 5.77 mm
Same alloy and mold type was hsed as in a above, thus, Cm is still 2.232 s/mm²
Since Cm =[Tts] /(V/A)²
Making Tts the subject, we have;
Tts =Cm x (V/A)²
Tts = 2.232 x (5.77)² = 74.3 seconds

In which year did the inca wayna capac die of smallpox? around 1527 around 1529 around 1530 around 1532.

Answers

Inca Wayna Capac died of Smallpox around 1527. He was the ruler of the

Inca Empire between 1493- 1525.

Wayna Capac traveled to the North region of Quito. He contracted the

disease known as smallpox. The disease came from Europe through

Spanish travelers . This was the period with high prevalence in which

millions of people were killed.

Although the vaccine was later made around 1977 , Inca Wayna Capac

died around 1527.

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Answer:

the answer is A) around 1527

Explanation:

Read the instructions found on the next page.

Answers

Answer:

One question! What page is it? I'll be willing to help! ;)

Explanation:

A 1. 80-kg block slides on a rough, level surface. When it is traveling at 2. 00 m/s, the block hits a linear, ideal spring and compresses it by a distance of 11 cm before (momentarily) coming to rest. The coefficient of kinetic friction between the block and the surface is 0. 56. What is the force constant of the spring?.

Answers

Use the work-energy theorem.

The total work W performed on the block is done by friction and the restoring force in the spring, both of which oppose the block's motion. By Newton's second law,

• the net horizontal force on the block is

∑ F (hor) = -f - s = ma

where f = magnitude of friction, s = mag. of restoring force, m = 1.80 kg, and a is the acceleration of the block; and

• the net vertical force on the block is

∑ F (ver) = n - mg = 0

where n = mag. of normal force.

It follows that

n = mg   ⇒   f = 0.56n = 0.56mg

and so the work done by friction as the spring is compressed by 11 cm = 0.110 m is

W (friction) = -0.56mg (0.110 m) = -1.09 J

The work done by the spring as it compresses is

W (restoring) = -1/2 k (0.110 m)²

where k is the spring constant.

Then the total work is

W = -1.09 J - 1/2 k (0.110 m)²

By the work-energy theorem, this work is equal to the change in the block's kinetic energy,

W = ∆K

Since it comes to a stop, we have

∆K = 0 - 1/2 mv² = -1/2 (1.80 kg) (2.00 m/s)² = -3.60 J

So, we have

-1.09 J - 1/2 k (0.110 m)² = -3.60 J

and solving for k gives

k = (-3.60 J + 1.09 J) / (-1/2 (0.110 m)²)

k ≈ 415 N/m

A 5 kg object near earth's surface is released from rest such that it falls a distance of 10 m. After the object falls 10 m, it has a speed of 12 m/s. Which of the following correctly identifies whether the object-earth system is open or closed and describes the net external force?.

Answers

Answer:

Explanation:

D)The system is open, and the net external force is nonzero.

The respiratory system of an elephant functions in a similar way.

Answers

Answer:

The organelle in a single-celled organism which performs gaseous exchange like the respiratory system of an elephant is the plasma membrane.

The respiratory system of elephant functions in a similar way The organelle in a single-celled organism which plays gaseous change just like the respiration machine of an elephant is the plasma membrane.

What is The respiration system?

In animals is concerned in gaseous change. During animal respiration, oxygen is taken in and carbon dioxide is launched in conjunction with molecules of ATP.

In a single-celled organism, the plasma membrane is concerned in gaseous change with the outside simply because the respiration machine of the elephant does.

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What is the ground-state electron configuration of o2−?.

Answers

Ground-state means that the element is in its lowest energy form (not in excited state). Neutral oxygen means it has no charge, meaning no electrons are removed or added in the atom. Therefore, the electron configuration for O2- is O2-: 1s22s22p6.

In the chairman's white paper, "mission command" (2012), "_____ equips decision-makers at all levels with the insight and foresight to make effective decisions, to manage associated risks, and to consider second and subsequent order effects. ".

Answers

In the chairman's white paper, "mission command" (2012), it is required understanding equips decision-makers at all levels. It involves making effective decisions and managing associated risks.

M.E. Dempsey, who is Chairman of the Joint Chiefs of Staff, published the Mission Command White Paper in 2012.

This publication indicates that mission command represents the main method by which joint forces should exercise command and control.

In this paper, Dempsey states that mission command can be considered as a constant effort to understand and then direct effectively the achievements of intent.

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To compare the teaching methodologies of two of its eighth-grade math teachers, a school decides to compare student test scores from the two classes throughout the year. Which type of statistical study is the school conducting?.

Answers

The type of statistical study that the school is conducting can be referred to as: a Prospective Observational Study.

Prospective Observational Study is a type longitudinal observational study where the research does not manipulate the research subjects but simply observe and collect data of the research subjects as their characteristics changes over time going forward.

Therefore, the type of statistical study that the school is conducting can be referred to as: a Prospective Observational Study.

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Line segment ab is a tangent to circle o at point b. Which type of triangle is always formed when points a,b and o are connected?.

Answers

The type of triangle is always formed when points a, b and o are connected is a right angled triangle.

A triangle is a polygon with three sides and three angles. There are different types of triangles such as scalene, equilateral, isosceles, right angled triangle.

A right angled triangle is a triangle in which one angle measures 90 degrees.

The angle between a tangent and radius is 90 degrees.

The type of triangle is always formed when points a, b and o are connected is a right angled triangle.

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Which is the correct way to write the underlined portion of the following sentence? the students hoped to quickly finish the test so they would be able to work cooperatively on their projects.

Answers

No part of this is underlined but I believe it should read: the students hoped to finish the test quickly, so they would be able to work cooperatively on their projects.

The cost of mailing a first-class letter is $0. 46.

Answers

Answer:

Explanation:

If y is the total cost to mail a letter, that is what your equation should be set equal to.  

y = _________

Then, just to be able to send the letter, you have to pay .46 before you even weigh it.

y = 0.46 + _____

Finally, you can weigh your letter to determine how much more you'd have to pay (it wouldn't be fair if a 1 ounce letter and a 5 pound letter costed the same!). The problem gives you the variable for ounces, so you would do

price x ounces.

y = 0.46 + 0.20x

(I'm not sure what the name of the equation is, but it is in y = mx + b form. I believe it is "slope intercept"? That should be somewhere in your notes. Hope this helps :) )

Which of the following is influenced by personal economic choices? choose four answers. The cost of your rent and utilities the resources you have available the amount of money you spend on a bus pass the money you decide to spend on leisure products the amount of money you put into your savings account the manner in which you balance your time between work and leisure.

Answers

People are known to make different choices. The options that is influenced by personal economic choices are;

The resources you have available The money you decide to spend on leisure products The amount of money you put into your savings account The manner in which you balance your time between work and leisure.

Choice is simply known as to the ability of a consumer or producer to say or decide the type of good, service or resource, they want to purchase or state their preference.

Economic decisions are referred to as those decisions or choices that people, country etc., have to make about what they should do in a condition of scarcity.

Personal Economic Decisions is simply referred to as when individuals make economic decisions or choices on a regular basis.

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Answer:

B, D, E, and F in short. Credits to the people who answered before me:)))

Explanation:

Skye listed her assets and liabilities on a personal balance sheet. Skye’s balance sheet (april 2013) assets liabilities cash $1,000 credit card $4,000 investments $1,000 student loan $1,000 house $200,000 mortgage $100,000 car $8,000 car loan $5,000 total ??? total ??? net worth: ??? what is skye’s net worth? $100,000 $110,000 $210,000 $320,000.

Answers

Answer:

A. 100000

Explanation:

Skye listed her assets and liabilities on a personal balance sheet $100,000.

What is Balance Sheet?

An organization's assets, liabilities, and shareholder equity are listed on a balance sheet, which is a financial statement. One of the three primary financial statements used to assess a company is the balance sheet.

It offers a snapshot of the assets and liabilities of a corporation as of the publication date.

The assets on the balance sheet are equal to the total of the liabilities plus the shareholders' equity. Financial ratios are computed using balance sheets by fundamental analysts.

Therefore, Skye listed her assets and liabilities on a personal balance sheet $100,000.

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Which of the following describes behavioral genetics?.

Answers

Genetics is known to be a broad topic that covers all aspect of human behavior.  The statement that describes behavioral genetics is that the study of genetic characteristics on behavioral expressions.

Behavior genetics is commonly described as psychogenetic. This is simply known to be the study of the effect of an organism’s genetic composition on its behavior.

It also look at the relationship that exist between heredity and environment  as it influence behavior. By careful study of genetic influence, one can know how the environment operations influence behavior.

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Based on the diagram, which equation can be simplified to derive the cosine sum identity?.

Answers

Answer: C

Explanation: Trust

Answer: C

Explanation:

See attachments

What spell would newt scamander have used to make his case big enough.

Answers

The Magizoologist in Harry Potter is a man called Newton Scamander. The spell that Newt Scamander can use to make his case big enough is Extension Charm or Capacious extremis.

Capacious extremis when translated means capacity and spacious. This spell helps wizard or witch to alter small enclosures such as like bags and making all kinds of extra invisible space within them.

The Magizoologist Newton Scamander was known to have a magical suitcase that was bewitched with an Undetectable Extension Charm.

He placed a lot of magical beasts while inside it as he traveled.

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I found. My homework. My textbook under my bed.

Answers

[tex] \huge \text{congrats}[/tex]

Which of the following is not a characteristic of the sampling distribution of sample means (the means of all possible samples of a given size)?.

Answers

Answer:

The mean is zero and standard deviation is one. Not standard sample

Who is cleopatra in the caesars commercial with the mannings.

Answers

The cleopatra in the caesars commercial with the mannings is Halle Maria Berry.

Halle Maria Berry can be described as an influential actress as well as a producer. She was was known as one of the American's Miss USA pageant .

In the caesars commercial, the cleopatra is Halle Maria Berry because according to Archie, who said i met Caesar and Cleopatra at Miami, he was referred to Halle Maria.

We can conclude that Halle Maria Berry  serves as cleopatra in the caesars commercial with the mannings.

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plesae urgent hurryy for brainlist !!!!!!!!!!! Balance the following equation: __Na+__HO __NaOH+__H * what role does Administrative costs in higher health care ? We walked _____ college today A.At. B.for. C.into D.to Which government agency is responsible for collecting tariffs?A. The Homeland Security OfficeB. The Internal Revenue ServiceC. The Customs and Border PatrolD. The Printing and Eggraving Office What is the equation for the graph shown? It takes 120 mL of 0.15 M of carbonic acid (H2CO3) to neutralize 300 mL of sodium hydroxide (NaOH) for the following balanced chemical reaction:2NaOH + H2CO3 N2CO3 + 2NaOHThe concentration of the sodium hydroxide _____. if you are a middle schooler what are some common issues you deal with how do you generally deal with it Can anyone help me please? HELP ASAP PLEASEEE What is the equation of the line in the form y=mx+b Can someone help me with this? State the postulate or theorem you would use to prove each pair of triangles congruent. a) SSS b) SAS c) ASA d) AASe) HL f) Not possible 13. will any of the bulbs light if you open the switch?14. which bulbs would continue to shine if bulb 1 broke? which would shine if bulb 2 broke instead? Explain. Point P(5,0) is on the terminal arm of an angle k in standard position.Determine the value of cosk. Wie oft pro Jahr machst du Urlaub? prostitution is considered a serious social problem.justify this statement List 4 activities that require safety equipment and explain why its important towear safety gear for these activities. An ant can travel at a constant speed of 980 inches every 5 minutes. At this rate, how far can the ant travel in 7 minutes? *1 point how do you Calculate the molarity of 250 ml of solution in which 2.7 g of MgCl2 are dissolved PLS help me 20 points in total