A ball of mass 200 g rolls along the ground at a speed of 5. 2 m/s. Calculate the kinetic energy of the ball. Give your answer to two significant figures.

Answers

Answer 1

Answer:

m= 200g

v= 5.2m/s

KE= 1/2mV2

KE= 1/2(200X5.2square)

=. 1/2(5408)

2704j


Related Questions

Which of the following nineteenth-century processes most directly contributed to the migration of indian laborers to fiji as described in the passage?

Answers

The 19th century process that contributed to the migration of indigenous workers to Fiji was that the colonial states of Asia and the Pacific point to coerced labor to work on plantations.

What was Japanese imperialism?

It was a process of colonial expansion of Japan that took place between 1845 and 1945, with the objectives of increasing militarism, territorial expansion and the search for commercial areas for local products.

Therefore, through the Japanese colonial power, there was the conquest of East Asia, thus initiating the migration of indigenous workers to be used as labor slaves.

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Tiny sensors in smartphone could be used to determine the position of the phone on the earth’s surface by measuring the earth’s magnetic field. A current i is applied to a slice of semiconductor as shown in figure 1(a).

Answers

The reason why the electrons collect at the top of the edge of the slice is because; surface charge density is inversely proportional to the radius of surface.

What are electron slices in semi conductors?

Electron slices are said to be little parts of electrons in any medium. Now, we want to find out from the attached diagrams the reason why electrons in figure 1a collect at the top of the edge of the slice as seen in figure 1b.

The reason why the electrons collect at the top of the edge of the slice that in relation to the attraction upwards, Voltage (V) and Magnitude of the magnetic field (B) is due to the fact that surface charge density is inversely proportional to the radius of surface.

This is proved by the formula:

σ ∝ 1/R

where;

σ is surface charge density

R is Radius of the surface.

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A cell provides 6v to an ldr. The current through this ldr is measured and is found to be 3a. What is the resistance of the ldr?

Answers

the answer will be 2

The LDR's resistance will be 2 ohms, if current is flowing through the LDR  is 3A, according to Ohms law current is proportional to a potential difference.

What is resistance?

The current flowing through a metallic conductor is precisely proportional to the potential difference at its ends, according to Ohm's law.

V = IR in mathematics.

The potential difference is V.

The resistance, R, is given the parameters.

V = 6V

I = 3A

Get the LDR's resistance.

R = V/I

R = 6/3

R = 2 ohms

Consequently, the LDR's resistance will be 2 ohms.

Therefore, the resistance of LDR is 2 ohm because the cell provides 6V to an LDR, and the current is measured at 3A, the current is proportional to a potential difference.

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What do flavius and marullus hope disrobing the images and statues of caesar and taking down his trophies will indicate about caesar? caesar will soon gain more power and trophies. Caesar will soon be stripped of his position of power. Caesar’s selfishness will make the commoners turn against him. Caesar dislikes any outward show of gratitude or praise from the roman people

Answers

What Flavius and Marullus hope by  disrobing the images of Caesar along with his trophies is that B). Caesar will soon be stripped of his position of power.

What is the image of Caesar all about?

Caesar image can be described as a "tall stature with a fair complexion and shapely limbs.

It represents the position of power, it posses a somewhat full face, and keen black eyes.

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Answer:

B

Explanation:

City dwellers tend to ______ than those living in rural and suburban areas.

Answers

They tend to have higher levels of mood disorders, be more stressed, and have higher levels of psychotic illnesses.

Discuss three ways on how bad behaviour in sport can dampen nation building

Answers

Sports can impact negative like detracting or making belittle of nation building. At least there are 4 ways like match fixing or betting can kill the spirit of a tournament. Secondly, partiality in training and selection of sports personas can detract or belittle motivation level of the players.

No problem.

How does spectroscopy provide evidence for the big bang theory.

Answers

The Doppler red-shift of light observed from distant stars and galaxies gives evidence that the universe is expanding (moving away from a central point). This allows for Big Bang Theory, because after a bang occurs all of the matter moves away from the point of origin.

A wave has a frequency of 46 hz and a wavelength of 1. 7 meters. What is the speed of this wave?

Answers

S = 46 x 1.7
S = 48.2 m/s

Answer:

v = 78.2m/s

Explanation:

Hope this helps ^^

One feature that distinguishes carl rogers’ person-centered approach to personality development from behaviorist approaches to personality development is that the person-centered approach suggests that.

Answers

The person-centered approach suggests that personality is shaped by support and love regardless of behavior. Conversely, behaviorists think that personality is conditioned by rewards/punishments.

What is the person-centered approach?

The person-centered approach is a school of thinking where the individual is placed at the center and treated as a person at all.

The person-centered approach acts to empower people and thus reach a better quality of life.

Conversely, behaviorists are a school of thinking where personality shows to be conditioned by specific rewards and/or punishments.

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Why is it important for a novice entrepreneur to build positive relationships with customers.

Answers

It is important for a novice entrepreneur to build positive relationships with customers so as to understand their requirements, resolve their problems.

Who is an entrepreneur?

An entrepreneur serves as individuals that can take the risk of running a business and make decisions.

However, positive relationships with customers  as entrepreneur helps to connect with customers on a much more personal level.

And this helps to create sense of mutual understanding with them.

When Learn more about entrepreneur at;

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What is the surface area of the figure? 428 ft² 560 ft² 632 ft² 888 ft².

Answers

Answer:

632ft^2

Explanation:

Answer:

632ft

Explanation:

3 steps learners must follow before they can write their nbts

Answers

Answer:

ok what is the actual question?

Explanation:

if this is the question please explain it-

Aaron is an independent journalist and content creator who specializes in long-form video essays that discuss economic concepts. He is thinking about taking an online course that teaches how to use a new video editing software. Explain the benefits to society and the costs for aaron in taking this course.

Answers

Aaron will be able to raise the standard of his lengthy video essays, which will in turn help society, by enrolling in an online school that teaches how to utilise modern video editing software.

Why is student video editing important?

Students may find making and editing video clips to be a very creative activity that allows them to put the language they are learning to creative use. For language research, gathering student video clips over time can be very instructive.

Is a job in video editing rewarding?

The typical answer is yes. As long as you have the appropriate software, you may complete the majority of editing tasks from home and communicate with clients.

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Which sentence best describes abraham maslow’s view on personality? maslow believed that a person’s personality is influenced by internal conflicts. Maslow believed that a person’s personality is influenced by internal needs. Maslow believed that a person’s personality is influenced by others’ needs. Maslow believed that a person’s personality is influenced by others’ conflicts

Answers

Answer:

b

Explanation:

Answer:

B.) Maslow believed that a person's personality is influenced by internal needs.

Explanation:

edge 2022

A 21-year-old female driver buys 25/50/50 liability insurance, collision insurance with a $500 deductible, and comprehensive insurance with a $250 deductible. What is her total annual car insurance premium?.

Answers

Her total annual car insurance premium is $858.

Total annual car insurance premium

Liability insurance:

Bodily injury-premium=$310

Collision and comprehensive premium

Collision=$215+$185+148

Collision=$548

Insurance premium

Insurance premium=$310+548

Insurance premium=$858

Inconclusion her total annual car insurance premium is $858.

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Answer:

$858

Explanation:

Total annual car insurance premium

Liability insurance:

Bodily injury-premium=$310

Collision and comprehensive premium

Collision=$215+$185+148= 548

Insurance premium=$310+548=$858

Took the test

A cladogram can be viewed as ""sets within sets"" of derived traits. Which features distinguish the clade containing mice and humans from the other clades in this cladogram?.

Answers

multicellular with a back, legs, and hair

Which technique is most appropriate to use to solve each equation? drag the name of the technique into the box to match each equation. (x+3)(x+2)=0 x² + 6 = 31

Answers

Let’s see the choices

If 0. 200 moles of agno₃ react with 0. 155 moles of h₂so₄ according to this unbalanced equation below, what is the mass in grams of ag₂so₄ that could be formed? agno₃(aq) + h₂so₄ (aq) → ag₂so₄ (s) + hno₃ (aq)

Answers

Balance the reaction.

a AgNO₃ (aq) + b H₂SO₄ (aq)   →   c Ag₂SO₄ (s) + d HNO₃ (aq)

Count the atoms of each element on either side:

• Ag : a = 2c

• N : a = d

• O : 3a + 4b = 4c + 3d

• H : 2b = d

• S : b = c

Let c = 1. Then a = d = 2 and b = 1 and all the counts are consistent. So the balanced reaction is

2 AgNO₃ (aq) + H₂SO₄ (aq)   →   Ag₂SO₄ (s) + 2 HNO₃ (aq)

which is to say 1 mol H₂SO₄ is needed for every 2 mol AgNO₃ to produce 1 mol Ag₂SO₄.

We start with 0.200 mol AgNO₃, so we can use up at most 0.100 mol H₂SO₄ (and leave an excess 0.055 mol). These react together to produce 0.100 mol Ag₂SO₄

Ag₂SO₄ has a molar mass of about 311.79 g/mol, so this reaction will produce a mass of

(0.100 mol) (311.79 g/mol) ≈ 31.2 g Ag₂SO₄

A portion of land that is found between the black sea and the caspian sea and that contains three independent countries is known as __________. A. Eastern europe b. The caucasus c. Russia d. Siberia please select the best answer from the choices provided a b c d.

Answers

Answer:

B.

Caucasus

Explanation:

~~This is a mountain range that is located between the Black Sea and the Caspian Sea which will be used as a border between Asia and Europe.

~~Countries included in the Caucasus would be Russia, Georgia, Azerbaijan, and Armenia.

Hope this Helps!

Which excerpt from "the enigma machine" supports the claim that german soldiers accidentally helped the allies figure out the enigma codes? with the right settings, the recipient only needed to type in the encrypted text and the message would light up in plain text. To use the enigma machine, an operator typed a message into the machine, which would be scrambled by three rotors. . . The polish intelligence developed the "bomba", a complicated system of wires and rotors to scan and decode messages within hours. Typing in messages was a boring task, so operators took shortcuts, like choosing three letters in a row or other simple, predictable patterns.

Answers

The correct option is C. The assertion that German soldiers unintentionally assisted the Allies in cracking the Enigma codes is supported by "The Enigma Machine." To quickly scan and decipher messages, the Polish intelligence created the "bomba," a complex system of cables and rotors.

Who cracked Enigma first?

In the early 1930s, the Poles, under the direction of mathematician Marian Rejewski, cracked the Enigma code for the first time. The British received intelligence from the Poles in 1939 as the possibility of a German invasion increased. The British established a covert code-breaking team known as Ultra, led by mathematician Alan M.

According to "The Enigma Machine," the Allies anticipated the Germans' coding method to be complex. German engineer Arthur Scherbius created the Enigma machine at the end of World War I. In his invention, he made use of rotors and an electrical path.

Thus, The right answer is C. In order to scan and decode messages within hours, Polish intelligence created the "bomba," a complex system of wires and rotors. An excerpt from "the enigma machine" supports the idea that German soldiers unintentionally assisted the allies in cracking the enigma codes.

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Find the amount paid for the loan. $2400 at 10. 5% for 5 years.

Answers

Answer:

the awnser is *use googel or a calculator and find the formula its really easy lean it* <3

Explanation:

Which level of government is responsible for setting the general rules for voter registration.

Answers

I'm pretty sure the answer is Congress

The underlined portions of the excerpt are examples of verbal irony because this man truly is virtuous and patriotic, so swift is surprised by the man’s support of eating children to solve the poverty issue. Anyone who is truly virtuous or patriotic would not suggest using children for food, so swift means the opposite of what he says. This man is a close friend of swift’s, so swift is just expressing his personal thoughts and feelings about the man’s character. Anyone who tries to better his country must be virtuous and patriotic, so swift is simply explaining what is already obvious to the reader

Answers

The underlined part of the excerpt illustrates verbal irony because:

B. Anyone who is truly virtuous or patriotic would not suggest using children for food, so Swift means the opposite of what he says.'

What is verbal irony?

Verbal irony is a literary device in which the author's words and its implied meaning contradicts each other.

The given excerpt exemplifies verbal irony because there exists a discrepancy between the expected and the provided image of a virtuous and nationalist individual.

This shows that Swift here conveys the opposite character traits of what the readers are actually expecting.

Thus, option B is the correct answer.

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Answer:

B. anyone who is truly virtuous or patriotic would not suggest using children for food, so Swift means the opposite of what he says.

Explanation:

Which of the following countries were part of the eastern bloc? check all that apply. Bulgaria czechoslovakia finland greece poland romania yugoslavia.

Answers

Countries that were part of the eastern bloc are :

BulgariaCzechoslovakia Poland Romania

Eastern Bloc

The eastern bloc also known as the second world  by the western bloc includes states that were socialist states which was in opposition to the western bloc which were capitalist states. the second world was also referred to as USSR.

The USSR comprised mainly of countries from eastern and central europe with the ideas of communism. the USSR was split into several countries in 1991 after the cold war.

Hence we can conclude that Countries that were part of the eastern bloc are :

BulgariaCzechoslovakia Poland Romania

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Answer:

Hungary

Explanation:

took the test

Many substances, for example, salt (nacl) and sucrose, dissolve quickly in water. Which property of water is related to this phenomenon?

Answers

The property of water which is related to this phenomenon is that: water molecules are cohesive because they form hydrogen bonds with each other.

What is water?

Water can be defined as a liquid molecule that typically contains two (2) main chemical elements in the ratio of two (2) to one (1). Also, these two (2) chemical elements are:

HydrogenOxygen

The bonding of atoms in a water molecule.

In a water molecule, two (2) atoms of hydrogen bonds with an atom of oxygen through two (2) covalent bonds and this makes it to be cohesive in nature.

In conclusion, the property of water which makes it possible for substances to dissolve quickly in it is that water molecules are cohesive because they form hydrogen bonds with each other.

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What are the current health issues and concern in your community.

Answers

Answer:

Coronavirus, is one of them.

A cylinder shaped bucket is used as a sand container. The bucket has a height of 2. 5 ft and a radius of 0. 5 ft. How many cubic feet of sand does the bucket hold? use 3. 14 to approximate pi. Enter your answer as a decimal rounded to the nearest hundredth in the box.

Answers

Ⲁⲛ⳽ⲱⲉⲅ:

1.96 feet³

[tex] \quad\rule{300pt}{1pt}\quad[/tex]

Ⲋⲟⳑⳙⲧⳕⲟⲛ :

We are given that a cylinder shaped bucket is used as a sand container . We have to find how much sand it can hold , which can be found by knowing the volume of cylindrical bucket .The volume of a cylinder is given by :

[tex] \quad\dashrightarrow\quad {\pmb{\sf {Volume = \pi r^2 h }}}[/tex]

where,

π = 3.14r = 0.5 feet h = 2.5 feet

[tex] \quad\dashrightarrow\quad \sf {V =\pi r^2 h }[/tex]

[tex] \quad\dashrightarrow\quad \sf { V = 3.14 \times 0.5^2 \times 2.5}[/tex]

[tex] \quad\dashrightarrow\quad \sf {V = 3.14\times 0.5\times 0.5\times 2.5 }[/tex]

[tex] \quad\dashrightarrow\quad \sf {V = 1.9625 }[/tex]

‎ㅤ‎ㅤ‎ㅤ‎ㅤ‎ㅤ~Hence, the bucket can hold 1.96 feet³ of sand!

[tex]\rule{350pt}{2pt} [/tex]

What is the greatest contribution of the different elements in our present society.

Answers

The contributions of the social elements in society are different fields of intellectual development such as science, technology, art, music, among others.

What are the social elements?

Social elements is a term to refer to all kinds of groups, collectives and human communities that make up society and have developed practices and ways of thinking that have contributed to the development of society.

From the above, it can be inferred that the contributions of the social elements are all those intellectual developments that have allowed the invention of new objects and tools to facilitate tasks and disciplines of thought such as:

ScienceTechnologyArtEngineeringMusicPhilosophyAmong others.

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Select two ideas that the metaphor of the veil emphasizes in
paragraphs 2 and 3.
Discrimination influences the way people view themselves.
O A clear separation exists among people of different races.
People lack the vision to understand the complexities of racism.
Certain people have largely been forgotten because of their race.
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Es, even
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O
Prejudice leads to stereotypes that create a person's true identity

Answers

The two ideas shown by the Veil are:

Discrimination influences the way people view themselves.A clear separation exists among people of different races.

What does the Veil mean?

According to W. E. B. Du Bois, there is a veil that separates the societies of Black people and White people such that there is a clear separation between these races.

This veil leads to discrimination against Black people who are then forced to view themselves in a certain light that paints them as inferior to the Whites.

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The area of a rectangle whose width is 5 less than its length.

Answers

Answer:

Explanation:

We know the area of the rectangle is length *  width

We also know width = length - 5

Thus area is [tex]length * (length - 5) = (length)^{2} - 5* length[/tex]

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