Do sound waves travel faster through solids or gases? Explain why.
Sound waves travel faster through solids because the particles in a solid are closer together than in a gas.
Sound waves travel faster through gases because the particles in a gas are closer together than in a solid
Sound waves travel faster in a solid because solids are less dense than gases.
Sound waves travel faster in gases because the particles of a gas move faster.

Answers

Answer 1

Answer:

my answer is A.................


Related Questions

¿cuál de los siguientes valores de funciones es negativo? a. Sen 120° b. Sen 150° c. Cos 235° d. Cos 300°.

Answers

A function of the form \(f(x) = x^{-n}\), wherein n is a natural number, is regarded as a negative power function. Inside the form, we might also put \(f(x)\),that is\(f(x) = \frac{1}{x^n}\),and the further calculation can be defied as follows:

Given:

\(\bold{a)\ \sin 120^{\circ}}\\\\\bold{b)\ \sin 150^{\circ}}\\\\\bold{c)\ \cos 235^{\circ}}\\\\\bold{d)\ \cos 300^{\circ}}\\\\\)

To find:

Find negative function values =?

Solution:

\(\therefore \\\\\to \bold{\sin (180- \theta)= \sin \theta} \\\\\to \bold{\cos (180- \theta)= -\cos \theta} \\\\\to \bold{\cos (180+ \theta)= -\cos \theta} \\\\ \to \bold{\cos (360- \theta)= \cos \theta}\)

Solve value for a:

\(\to \bold{\sin 120^{\circ}= \sin(180-60)}\)

                  \(\bold{=\sin 60^{\circ}}\\\\\bold{=\frac{\sqrt{3}}{2}}\\\\\)

Solve value for b:

\(\to \bold{\sin 150^{\circ}= \sin(180-30)}\)

                  \(\bold{=\sin 30^{\circ}}\\\\\bold{=\frac{1}{2}}\\\\\)

Solve value for c:

\(\to \bold{\cos 235^{\circ}=-\cos( 180+55)}\)              

                  \(\bold{=- \cos 55^{\circ}}\\\\\bold{= -0.57357643635}}\\\\\)

Solve value for d:

\(\to \bold{\cos 300^{\circ}= \cos(360-60)}\)

                  \(\bold{= \cos 60^{\circ}}\\\\\bold{= \frac{1}{2}}\\\\\)

Therefore, the final answer is "Option C".

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Which of the following is true about homeowner's insurance?

Answers

In home owners policy, the Section I deductible does not apply to property covered under the Scheduled Personal Property Endorsement

The Scheduled Personal Property Endorsement has no deductible

What is home owners policy?

Home insurance, often known as homeowner's insurance, is a form of property insurance that protects a single person's home.

Homeowners insurance consists of coverages that may assist in the repair or replacement of your house and valuables if they are destroyed by specific risks such as fire or theft. It may also assist in covering costs if you inadvertently damage another person's property or if a guest is hurt at your house.

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Full Question:

Although part of your question is missing, you might be referring to this full question:

Which statement is true concerning Homeowners policies?

A. The Section I deductible does not apply to property covered under the Scheduled Personal Property Endorsement

B. Section I limits coverage on utility trailers up to $500

C. The HO4 provides open peril coverage on both the dwelling and contents

D. Section I limits coverage on fire department service charge to $100

Calculate the magnitude of the total resultant force f⃗ r=f⃗ 1+f⃗ 2+f⃗ 3 acting on the mass

Answers

Resultant will be (0.54î - 1.75j) N, Magnitude is 1.83 N, and the Direction is - 72.9°, as per the given equation.

What is resultant force?

A resultant force is the single force and corresponding torque that are produced when adding vectors to a system of forces and torques acting on a rigid body.

From the free body diagram, the resultant is a vector sum of all the three individual forces.

F₁ = 4(cos 25°î + sin 25°j) = (3.625î + 1.691j) N

F₂ = 6(cos 325î + sin 325j) = (4.915î - 3.441j) N

F₃ = (- 8î) N

Resultant force is

F₁ + F₂ + F₃ = (3.625î + 1.691j) + (4.915î - 3.441j) + (- 8î) = (0.54î - 1.75j) N

Magnitude = √[(0.54²) + (-1.75²)] = 1.83 N

Direction = tan⁻¹ (-1.75/0.54) = - 72.9°

Thus, this is the the magnitude of the total resultant force.

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How does Zora Hurston introduce the idea that her family was self sufficient ?

Answers

Zora Neale Hurston introduces the idea that her family was self-sufficient by explaining that they grew their own food, made their own clothes, and built their own house.

She also mentions that her family did not rely on anyone else for their basic needs, and that they were able to provide for themselves without any outside help. This is shown in the following quote from Hurston's essay, "How It Feels to Be Colored Me": "We lived in the country and were self-sufficient. We raised our own food, made our own clothes, and built our own house. We were not dependent on anyone else for our basic needs."

By explaining the different ways in which her family was able to provide for themselves, Hurston effectively introduces the idea that they were self-sufficient and did not need to rely on anyone else for their survival. This is an important aspect of Hurston's essay, as it shows the strength and independence of her family, and helps to establish the idea that they were able to overcome the challenges of living in the segregated South.

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Energy must be transformed in ecosystems because _______.
a.
energy cannot be created or destroyed
b.
an organism’s energy must go somewhere
c.
an organism’s energy must come from somewhere
d.
all of the above

Answers

Answer:

it's D

Explanation:

if a and b are positive numbers in the equation below what is the value of a/b?
(cubed root 8)^2a=2^2b/5

Answers

Answer:

if a and b are positive numbers in the equation below what is the value of a/b?

(cubed root 8)^2a=2^2b/5

what does a pool look like in aj

Answers

Is this a question to school work or?

Which of the following is not a benefit of extended family.

Answers

The option that is not a benefit of extended families is;

Option B: Shared Expenses

Extended Families

An extended family simply refers to an immediate family in addition to relatives. This means it consists of of parents and their children of a nuclear family and cousins, aunts, uncles, grandparents, e.t.c all living in the same household.

Now, in this case the parents of the nuclear family will have to spend more than usual to accommodate all the extended family and as such shared expenses is not a benefit.

The missing options are;

a. greater privacy

b. shared expenses

c. more room

d. all the above

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Having the ability to roll or curl the tongue up along both sides to form a tube is a dominant trait. Which diagram represents the chromosomes in a person that does not have this ability?.

Answers

Answer:

Yes its called germination and pollination

Explanation:

By its chromosomes

how do you make a benchmark fraction to show 3/6 is greater than 5/12?

Answers

Answer:

You can multiply 3/6 by 2/2 (because 2/2 is equal to one) to get 6/12

This allows for the denominators to be the same so then you can just compare the 2 fractions.

You have studied two other short stories, "the lady, or the tiger?" by frank r. stockton and "the necklace" by guy de maupassant. choose one of these stories and supply the information requested. if you need to reread the story, go to the link at the bottom of the lesson. characters

Answers

The plot of the "the lady, or the tiger?" by Frank r. Stockton, it tells the story about high classes of French society.

What is the story about?

The story titled "The Necklace" occurs in France and it took place in the mid nineteenth century.

Note that the context of the story is set on the high classes of French society and how Madame Loisel wans in dine need to belong to them.

Therefore, The plot of the "the lady, or the tiger?" by Frank r. Stockton, it tells the story about high classes of French society.

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According to a human modeling​ project, the distribution of foot lengths of women is approximately normal with a mean of centimeters and a standard deviation of centimeters. In the united​ states, a​ woman's shoe size of fits feet that are centimeters long. What percentage of women in the united states will wear a size or​ smaller?.

Answers

The percentage of women in the united states will wear a size 6 fits or​ smaller is 22.07%.

Z score

The z score is used to determine by how many standard deviations, the raw score is above or below the mean. It is given by:

z = (x - μ)/σ

where x is raw score, μ is mean and σ is standard deviation.

μ = 23.4, σ = 1.3, x = 6 fits = 22.4, hence:

For x < 22.4:

z = (22.4 - 23.4)/1.3 = -0.77

P(z < -0.77) = 0.2207

The percentage of women in the united states will wear a size 6 fits or​ smaller is 22.07%.

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Use this sentence: On a summer day, the heat of the land heats the air, causing it to rise and spread before cooling over the ocean, creating a
breeze.
How is thermal energy transferred when this happens?
(1 point)
through radiation
Othrough refraction
through convection
O through conduction

Answers

Thermal energy may be transferred from one place to another in solids, liquids, or gases by conduction, convection, or radiation. Convection allows heat to be transferred from water to air and then distributed throughout the ocean. (Option C)

What is Convection?

Convection currents are formed by radioactive decay in the core when heat rises and falls inside the mantle. The plates are moved by convection currents. Plates migrate apart where convection currents separate near the Earth's crust. Plates migrate towards each other when convection currents converge.

Temperature gradients form a specific fluid, the difference in densities of which causes convection currents. This suggests that convection currents play an important part in fluid circulation.

These currents aid in the transport of heat from one location to another by utilizing the mass motion of a specific fluid such as water, air, or even molten rock.

This heat transfer function of convection currents contributes to the Earth's ocean currents, atmospheric weather, and general geology. Convection currents in the Earth's mantle are considered to be the driving force behind the tectonic plates.

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1. An opening in the Earth's surface is called (ENSTV) *

Answers

Answer:

vents is an opening in the earth's surface

How much time does it take light from a flash camera to reach a subject 6. 0 meters across a room?

Answers

Answer:

The time it takes light from a flash camera to reach a subject 6.0 meters across a room in scientific notation is 2.0 *10^-8 s.

Ignore 3/4 can someone please explain

Ignore 3/4 can someone please explain

Answers

Answer: 1/6

Explanation:

The question is asking how much of the whole circumference is arc AB given that it's central angle is 60°. We can see that the angle is \(\frac{60}{360}\) of the whole. This means that if there were 360 equal sectors, or slices, of the circle, then this angle would take 60 of them.

From this, we can see that if the circumference was divided into 360 equal parts, then the arc would also take up 60 of them, making the arc \(\frac{60}{360}\), or \(\frac{1}{6}\).

We could have alternatively seen that the ratio of arc length to the whole circumference would be the same as the ratio of the central angle to the "whole angle" or 360°.

\(\frac{Arc\hspace{0.1cm}Length}{Circumference}=\frac{Central\hspace{0.1cm}Angle}{360}\)

Putting in 60 for the central angle, we get

\(\frac{Arc\hspace{0.1cm}Length}{Circumference}=\frac{6}{360}=\frac{1}{6}\)

The question is asking what fraction of the circumference is the arc length, so let's isolate the arc length by multiplying the circumference to both sides

\(Arc\hspace{0.1cm}Length=\frac{1}{6}*Circumference\)

This equation in words says that the arc length is one sixth of the circumference, which is exactly what the question is asking.

how do you think khanyi's relationship with her mother has been affected by the role that khanyi has to play

Answers

It may be inferred that when the reality program first aired, Khanyi and Khanz's relationship was rocky to say the least. Khanyi had left Khanz to straddle between boarding school and her mother's residence in an attempt to recapture her status.

When the show first aired, it seemed that Khanz knew Khanyi as well as a fan would—through television and social media posts. But it didn't take long for their relationship to grow.

What is an inference?

Inferences are processes in thinking that move from premises to logical conclusions; the word infer is etymologically related to "carry forward." Theoretically, inference is typically separated into deduction and induction.

A person is considered to have drawn an inference when they reach a conclusion by combining one or two logical facts.

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50 words or less, summarize the different types of financial aid that are available, and those that you may be interested in applying for.

Answers

U can shorten this but
Financial aid for education includes grants, scholarships, loans, and work-study programs. Grants and scholarships do not have to be repaid, while loans must be repaid with interest. Work-study programs provide students with part-time employment to help pay for their education. Some financial aid is need-based, while other aid is merit-based. It is important to research the different types of financial aid that are available and to determine which ones you may be eligible to apply for.

Explain key aims of education and training in own specialist area

Answers

Answer:

Training and education in specialist area are used to improve the practices that are used in the educational organization to offer better opportunities to the students in the learning program.

Consider the triangle shown. Which shows the sides in order from longest to shortest?.

Answers

Where is the triangle? Not enough information provided no triangle is displayed

A light source is shining on a vertical surface or a slanted surface as shown 3 points
below. Which statement is correct?
Surface is vertical
Surface is tilted
The light energy that hits the vertical surface is stronger because it is concentrated on
a smaller area.
The light energy that hits the vertical surface is weaker because it is concentrated on
a smaller area.
The light energy that hits the slanted surface is stronger because it is concentrated on
a larger area.
The light energy that hits the slanted surface is stronger because it is concentrated on
a smaller area

Answers

Answer:

The light energy that hits the vertical surface is stronger because it is concentrated on a smaller area.

Explanation:

While Jenner's interest in the protective effects of cowpox began during his apprenticeship with George Harwicke, it was 1796 before he made the first step in the long process whereby smallpox, the scourge of mankind, would be totally eradicated. For many years, he had heard the tales that dairymaids were protected from smallpox naturally after having suffered from cowpox.

—"Edward Jenner and the History of
Smallpox and Vaccination,"
Stefan Riedel

Which statements support the claim that Jenner has been given credit for starting and spreading the practice of immunization?

Jenner became interested in the protective effects of cowpox during his apprenticeship.
Jenner’s mentor was George Harwicke.
Jenner made the first step to erase smallpox.
Smallpox is called the scourge of mankind.
Jenner heard stories of cowpox helping to save people from smallpox.

Answers

Jenner made the first step to erase smallpox and Jenner heard stories of cowpox helping to save people from smallpox support the claim that Jenner has been given credit for starting and spreading the practice of immunization.

These statements show that Jenner was the one who took the first step towards eradicating smallpox by investigating the link between cowpox and smallpox immunity. Additionally, the fact that he had heard stories of cowpox protecting people from smallpox suggests that he was the one who popularized the idea of using cowpox as a means of immunization. However, the statements about Jenner's apprenticeship, mentor, and the severity of smallpox are not directly related to his contribution to the practice of immunization.

Who knows Timmothee chamolet

Answers

I don’t personally know him but I know who he is

Answer:

I do, (not personally), he's an amazing actor :D

Explanation:

Which statement best explains how the evidence from this excerpt leads to the inference that the message Zimmerman sent was important?

Answers

Because the message was so important and needed to reach von Bernstorff, Zimmermann wanted the message to be carried across the ocean in a U-boat.

Patient A came to the clinic after having a bike accident. She has severe pain in her left forearm. The pain increases when she moves the arm, and her arm is quite swollen. The X-ray shows an abnormality with the radius bone in the forearm

guys please help me i will mark you branilys this is science work.

Answers

Answer:

you dont get SAT  you aint freshmen and the answer is B the patient has nerve damage

Explanation:

why are so many big cities located along the bank of a river

Answers

Answer: Rivers provide great and easy shipping routes and transportation of both goods and passengers.

Explanation:

Answer:I hope this help you out

Explanation:

One reason that many big cities are located along the bank of a river is because rivers have historically provided transportation as well as a source of water for drinking, agriculture, and industry. Additionally, rivers can be used for fishing, which has been an important food source for cities throughout history. Another reason is that the flat land around a river is often more accessible and easier to build on than hilly or mountainous terrain. Finally, rivers have traditionally been used for disposing of waste and sewage, which can be carried away downstream rather than accumulating in the city.

Barnard’s Star is a red dwarf. It is located 5.9 light years from Earth. (One light year is the same as 9.46 trillion kilometers.) What is the distance in kilometers?

Answers

Barnard’s Star is a red dwarf. It is located 5.9 light years from Earth.

Distance in kilometer = 5.9*9.46 trillion kilometers

What is lightyear?

The distance light travels in a year is measured in light-years. Interstellar space is traversed by light at a speed of 186,000 miles per second (300,000 kilometres per second) and 5.88 trillion miles (9.46 trillion kilometres per year). NASASolarSystem.

Rather of measuring time, a light-year measures distance (as the name might imply). The distance a light beam travels in a single Earth year is measured in "light-years," which is roughly equivalent to 6 trillion miles (9.7 trillion kilometers).

Although the cosmos is just 13.8 billion years old, we can travel 46.1 billion light-years in the past. The expanding universe operates in this manner. The observable world as imagined by an artist on a logarithmic scale.

The observable universe has a diameter of about 93 billion light-years at the present time, which can be measured even if the total size of the universe's space is unknown.

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which team member is not involved in game development

Answers

which team member is not involved in game development is: writer.

In a democracy, the interests of the few must be elevated above the interests of the many

Answers

Answer:

False

Answers By Blueberry Reed. Copyright 2022

How was Malcolm X's approach to gaining civil rights different from Dr. King's? Why do you think he resisted King's approach?

Answers

Answer:

Near the end of his life, Malcolm X publicly recognized that "Dr. King wants the same thing I want — freedom!" But for most of his ministry he did not identify with King and the civil rights movement. Although both Black Muslims and King's Southern Christian Leadership Conference had the same general goals of defeating white racism and empowering African Americans, Malcolm and King had different tended to speak at different venues (street corners vs. churches) and had different aims. Malcolm, who would publicly deny that he was even an American, worked for a Nation of Islam that sought to create a separate society for its members. Malcolm rejected integration with white America as a worthwhile aim (deriding it as "coffee with a cracker") and particularly opposed non-violence as a means of attaining it. "That's what you mean by non-violent," he said, "be defenseless." In Malcolm's mind, the African American could never surrender his right of self-defense against white violence.

Explanation:

I think that because Malcolm X had a different opinion thank King's approach on the civil rights movement he wanted to stick to it.

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