Sound and light travel at the same speed.

Answers

Answer 1

Answer:

False, I assume that is what you were looking for.

Explanation:

The speed of light is much faster than sound.


Related Questions

Write an expression for the distance vector, d, in rectangular form in terms of d and θ, in a coordinate system with the dish at the origin and the unit vectors i and j in the horizontal and vertical directions. (to the right and up)

Answers

d = d * (cos θ * i + sin θ * j) is an expression for the distance vector, d, in rectangular form in terms of d and θ, at the origin and the unit vectors i and j in the horizontal and vertical directions.

What is vector?
A vector is a mathematical object used to represent a quantity with both a magnitude and a direction. Vectors can be used to represent physical quantities such as forces, velocities, and accelerations. They can also be used to represent mathematical operations such as addition and subtraction. Vectors can be represented graphically by drawn arrows, with the length of the arrow representing the magnitude and the direction of the arrow representing the direction. Vectors can also be represented mathematically as a combination of components in a given coordinate system, with each component representing a different direction. Vectors can be added together to create a resultant vector, and can be used to represent the result of any mathematical operation with two or more vectors.

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How can you overcome your fear of failure? ​

Answers

I personally always struggled with this issue in the past, even sometimes I still do. But through my process of learning who I am and growing, I’ve learned that there’s no such thing of “failure”. What could you possibly do to be a failure in life? Everyone is different and defining what success is, depends on you not society or the entire world. Celebrating the small wins will always be a great way to keep up the success in our life’s. You don’t have to be the schools best student to become someone in life. Overcoming fears are extremely hard but you know what’s harding? Having that fear stuck in your mind for the rest of your life and being scared of changing for the better. It won’t hurt to give yourself options if something doesn’t work out how you planned. Fear of failure may develop for many reasons, ranging from growing up with critical parents to bullying or a traumatic event. Let those reasons be the change to your life, don’t give up because the second you do, you will start to lose yourself again. Keep you head up through difficult times.

A confidence interval for a difference in proportions is −0. 077 to 0. 13. What are the point estimate and the margin of error for this interval?

Answers

The point estimate and the margin of error for this interval are 0.0265 and 0.1035 respectively.

What is Confidence Interval?

A confidence interval shows the likelihood that a parameter will be between two values that are close to its mean.The level of certainty or uncertainty in a sampling process is measured by confidence intervals.Additionally, they are employed in regression analysis and hypothesis testing.To determine statistical significance, statisticians frequently combine confidence intervals with p-values.They are often built using confidence intervals of 95% or 99%.

Here, the confidence interval for a difference in proportions is −0.077 to 0.13

We know that, the Lower Bound = Point Estimate - Margin of Error

Also, here, the Lower Bound = -0.077

And, Upper Bound = Point Estimate + Margin of Error

Here, the Upper Bound = 0.13

The Point Estimate can be determined as,

Point Estimate = (Upper Bound + Lower Bound) / 2

[tex]\implies[/tex] Point Estimate [tex]=\frac{0.13+(-0.077)}{2}[/tex]

[tex]\implies[/tex] Point Estimate [tex]=0.0265[/tex]

Now, Margin of Error = (Upper Bound - Lower Bound) / 2

[tex]\implies[/tex] Margin of Error [tex]=\frac{0.13-(-0.077)}{2}[/tex]

[tex]\implies[/tex] Margin of Error [tex]=0.1035[/tex]

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What is the complementary messenger-rna sequence for the dna sequence c-a-a-g-g-t?

Answers

Answer:

The complementary messenger-RNA sequence for the DNA sequence C-A-A-G-G-T is G-U-U-C-C-A.

This is because messenger-RNA is created by a process of transcription in which the complementary base is matched to each side of the DNA sequence.

In this case, the base C is matched with G, A is matched with U, and G is matched with C. Therefore, the complementary messenger-RNA sequence is G-U-U-C-C-A.

When the author discusses douglass's speech at the massachusetts anti-slavery society meeting in 1841, what are the author’s feelings toward douglass’s actions?

Answers

He is on Douglass’s side because the "He opposes Douglas."  Is the wrong answer, my son used the answer "He opposes Douglas." The answer was graded wrong for that response.

Bao is deciding between two parking garages. Garage A charges an initial fee of $4 to park plus $3 per hour. Garage B charges an initial fee of $8 to park plus $2 per hour. Let
A
A represent the amount Garage A would charge if Bao parks for
t
t hours, and let
B
B represent the amount Garage B would charge if Bao parks for
t
t hours. Write an equation for each situation, in terms of
t
,
t, and determine which garage would be cheaper if Bao needs to park for 6 hours

Answers

An equation for each situation, in terms of t, is as follows:

A = 4 + 3t ............ 1B = 12 + 2t .............. 2

What is the significance of parking garages?

A parking garage is a building where people can leave their cars. We have good parking facilities in our parking garage for guests. If our parking garage is full, you can park in the lot nearby. Your car will be safe in the parking garage for the duration of your stay.

According to the question,

For park A,

A = 4 + 3t ............ 1

where A is the amount paid, and t is the number of hours.

For park B,

B = 12 + 2t .............. 2

where B is the amount paid, and t is the number of hours.

The hours that would make A = B can be determined as follows.

Now, you have to equate 1 and 2, so that;

A = B

4 + 3t = 12 + 2t

collect like terms

3t - 2t = 12 - 4

t = 8.

Therefore, the number of hours that would make the cost of each garage the same is 8.

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The length of the side of a cube having a density of 12. 6 g/ml and a mass of 7. 65 g is ________ cm

Answers

The  length of the side of a cube having a density of 12. 6 g/ml and a mass of 7. 65 g is 0.8467 cm.

What is Density?

The density of a substance reveals how dense it is in a certain space.The definition of density is the mass of a substance per unit volume.The formula for density is given as, [tex]D=\frac{m}{V}[/tex], where D is the density, m is the mass, and V is the volume.

In the question, it is given that the density is 12. 6 g/ml and mass is 7. 65 g.

[tex]\implies D=12.6[/tex] g/ml and [tex]m=7.65g[/tex]

So, the volume can be found by the formula,

[tex]V=\frac{m}{D}\\\implies V=\frac{7.65}{12.6}[/tex]

[tex]\implies V=0.6071[/tex] ml

We also know that the volume of the cube can be given as, [tex]V=(a)^{3}[/tex], where a is the length of the side of the cube.

So, [tex]a=\sqrt[3]{0.6071}[/tex]

[tex]\implies a=0.8467[/tex] cm

Thus, the length of the side of the cube is 0.8467 cm.

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A 15-foot wire and a 5-foot wire were each cut

completely into 10-inch pieces. How many more

10-inch pieces resulted from the 15-foot wire than

from the 5-foot wire? (12 inches = 1 foot)

Answers

Answer: 12

Explanation: 15 feet=180 inches

                      5 feet= 60 inches

divide both by 10 inch pieces and we get 18 pieces and 6 pieces.

so 18-6=12

What happens if I fail science in highschool but do well in my other classes? Will I be able to graduate? How will it affect me?

Answers

You should do summer school. If you fail science class you will have to re do it and it will affect by you having to re take the class
Usually depends on the Highschool but i’m sure they’d make u retake it because they’d like u to have enough credits in all the subjects. You can still graduate just do it during summer school or if your school offers a credit recovery opportunity take that. You won’t be affected much as long as you stay on top of it before your senior year (if you are a senior this year you’ll still graduate just later than others if u don’t make it up during the year)

if an interview ask questions at the end of an inte they are

Answers

Answer:

Explanation:

yes

How does Wiesel feel about the power of memory? Highlight and label any rhetorical devices Wiesel uses to stress his point.

Passage: “Home, Despair, and Memory” By Elie Wiesel

Answers

Elie Wiesel is a Holocaust survivor, human rights advocate and writer, he wrote several books, one of the most famous one is Night, where he talks about his experience during the Holocaust and the impact it had on him and the power of memory in it.

In Night, Wiesel express his belief that the power of memory is essential to preserving the past and passing on the lessons of history. He uses various rhetorical devices to stress his point, including imagery, metaphor, and repetition.

For example, Wiesel repeatedly emphasizes the importance of bearing witness to the Holocaust, saying that "To forget would be not only dangerous but offensive; to forget the dead would be akin to killing them a second time" He uses imagery to describe the horrors he witnessed, such as describing the smell of burning flesh and ashes, this serve as a reminder of what happen.

He also uses metaphor to describe the impact of the Holocaust on his life, comparing it to a "golden chain" that links him to the past, and to the victims of the Holocaust.

Finally, Wiesel uses repetition to drive home the importance of remembering the Holocaust, repeatedly emphasizing that "For the survivor who chooses to testify, it is clear: his duty is to bear witness for the dead and for the living." This repetition serves to reinforce the importance of remembering the past in order to ensure that such atrocities will never happen again.

I In a large survey, 1st graders were asked what their favorite color is. The probability that a first grader chose blue is 24%. If 8 students are randomly selected, what is the probability that exactly 2 students say blue

Answers

The probability that exactly 2 students say blue is their favourite colour is 0.3108.

What is Binomial DIstribution?

The binomial distribution with parameters n and p in probability theory and statistics is the discrete probability distribution of the number of successes in a series of n independent experiments, each asking a yes-or-no question and having its own Boolean-valued outcome: success (with probability p) or failure (with probability q = 1-p). A single trial or experiment that results in success or failure is known as a Bernoulli experiment, and a series of results is known as a Bernoulli process.The Binomial Distribution Formula is given as, [tex]P(X=k)= ^{n} C_{k}(p)^{k} (1-p)^{n-k}[/tex]

Here, the probability that the first grader chose blue is 24%.

[tex]\implies p=0.24[/tex]

The number of students randomly selected is 8.

[tex]\implies n=8[/tex]

So, the probability that exactly 2 students say blue is,

[tex]P(X=2)= ^{8} C_{2}(0.24)^{2} (1-0.24)^{8-2}\\\implies P(X=2)=28 \times 0.0576 \times (0.76)^{6} \\\implies P(X=2)=0.3108[/tex]

Thus, the probability that exactly 2 students say blue is 0.3108.

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Which techniques does Quindlen use to develop her idea in “A Quilt of a Country”.

Answers

The techniques that Quindlen uses to develop her idea in “A Quilt of a Country” are:  

metaphorscontradictionsloaded languageimageryWhat is Imagery?

The use of literary elements that assist the reader to build a mental picture in their mind of how something or someone looks, sounds, acts, and so on is referred to as imagery. The terminology employed frequently refers to one or more of our five senses.

Language that is loaded with significance beyond its strict definition is referred to as loaded language. It is frequently employed to elicit an emotional response or to alter someone's perspective on a specific issue.

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Q4
The importance of a college education when seeking employment is.
A Shrinking
B) Irrelevant
Growing
D Neutral

Answers

When looking for work, a college education is becoming increasingly important. A college degree may be essential for success today because more and more professions need advanced knowledge.

What role does education have in securing a job?

The fundamental goal of employee education is to develop employees' potential as human resources and human capital, which make up the majority of the organization and are essential for its competitiveness on the job market.

What does the phrase "education for work" mean?

To educate logically for handling a variety of work and life tasks, education physically separates the student from their jobs. Education is one of many elements that affect graduates' careers and serves as a qualification and status-distributive role for the economy and society.

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Explain why the function is discontinuous at the given number a. (select all that apply. )

Answers

The function is discontinuous at the given number a are: the function is undefined at a, the function has a sharp corner at a, he function has a hole at a, the function is not continuous at a.

What is function?
Function
is a block of code or routine that performs a specific task. It has a name, a set of parameters, and a body of code that performs the task. Functions can be used to divide a large task into smaller and more manageable parts. They can also be reused in multiple programs to perform the same task. Function is also a type of abstraction that simplifies the programming process. It allows developers to break down a problem into smaller parts, making it easier to understand and debug. Additionally, functions can be used to reduce code repetition and improve readability. In short, functions are an essential tool for creating efficient and reliable software.

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What rule describes the rotation about the origin?

(x, y) →

How many degrees was the figure rotated about the origin?


°

Answers

It means that the coordinates of the point were translated using the formula (x, y) since the point rotated at an angle of 180°. (-x, -y). As a result, the necessary rule that characterises the rotation about the origin is as follows: (-x, -y). Example of a 180 degree rotation when rotating a figure about its origin.

What is rotation ?

The circular movement of an object about a primary axis is referred to as rotation or spin. A revolving object in two dimensions only has one conceivable central axis and can revolve either clockwise or anticlockwise. There are countless conceivable central axes and rotating orientations for a three-dimensional object.

Here are the guidelines for rotation: rotation in the direction of 90°: (x,y) becomes (y,-x) rotation of (x,y) at 90 degrees anticlockwise results in (-y,x) Rotating (x, y) 180 degrees both clockwise and anticlockwise results in (-x,-y)

Thus, the necessary rule that characterises the rotation about the origin is as follows: (-x, -y).

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Answer: 1. -x,-y

2. 180

Explanation:edge

Megan Finder, a recent college graduate, is applying for her first credit card. The creditor has asked for a personal net worth statement. Megan owns a scooter worth $2,000. 00 and has $800. 00 in her checking account. She owes Jaycee Auto $920. 00 and River College $125. 0. Complete a net worth statement for Megan Finder. Select Current Date in the appropriate field. Assets should be listed in order of liquidity, so Cash should be listed first. Liabilities should be reported in alphabetic order

Answers

Answer:

Explanation:

Given assets are scooter worth $2000, $800 in her checking account.

So total assets = 2000+800 = $2800

And liabilities are which are owed that is $920 and $125.

So total liabilities = 920+125 = $1045

Net worthy = 2800-1045 = $1755

About liability

A liability is an obligation owned by a person or company that must be paid based on a certain period, usually based on the value of money. But besides money, liabilities can be in the form of obligations in the form of services, goods, or other economic benefits. In recording the balance sheet, liabilities will be recorded on the right or opposite to assets.

In the accounting equation then abbreviated as ALE which consists of assets, liabilities and equity.

The formula, assets = debt + capital.

Some examples of liabilities are debts, loans, mortgages, deferred income, bonds, guarantees, and other accrued expenses.

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A piece of wood has a mass of 303030 grams (\text{g})(g)left parenthesis, start text, g, end text, right parenthesis and a volume of 404040 cubic centimeters \left(\text{cm}^3\right)(cm
3
)left parenthesis, start text, c, m, end text, cubed, right parenthesis. A second piece of wood has the same density \left(\dfrac{\text{g}}{\text{cm}^3}\right)(
cm
3

g

)left parenthesis, start fraction, start text, g, end text, divided by, start text, c, m, end text, cubed, end fraction, right parenthesis and a volume of 240\ \text{cm}^3240 cm
3
240, space, start text, c, m, end text, cubed. What is the mass, in grams, of the second piece of wood?

Answers

The mass, in grams, of the second piece of wood is; 180 grams

How to find the density of an object?

We are given;

Mass of first wood = 30 grams

Volume of first wood = 40 cubic centimeters(cm³).

The formula for the density of an object is;

Density = mass/volume

Thus

Density = 30/40

Density = 0.75 g/cm³

Now, the second piece of wood has the same density (g/cm³) and a volume of 240 cm³.

Thus;

Mass of second wood/240 = 0.75

Mass of second wood = 240 * 0.75

Mass of second wood = 180 g

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Complete question is;

A piece of wood has a mass of 30 grams and a volume of 40 cubic centimeters(cm³). A second piece of wood has the same density (g/cm³) and a volume of 240 cm³. What is the mass, in grams, of the second piece of wood?

A stationary block has a charge of +6. 0×10−8 c. A 0. 80-kg cart with a charge of +4. 0×10−8 c is initially at rest and separated from the block by 0. 4 m. The cart is released and moves along a frictionless surface to a distance of 1. 0 m from the block. Consider the objects as point charges

Answers

The electrostatic force between the block and the cart is -2.1x10^-5 N and the electrostatic potential energy between the block and the cart along a frictionless surface is -1.4x10^-7 J.

What is frictionless surface?
A frictionless surface is a surface that does not experience any friction when an object moves across it. The concept of a frictionless surface is important in physics and engineering, as it helps to explain the behavior of objects in motion. Frictionless surfaces are found in many everyday objects, from the ice on a hockey rink to the wheels on a race car. The frictionless surface allows objects to move quickly and easily across it, resulting in less energy being lost in the process. Frictionless surfaces are also important in the field of nanotechnology, as they allow nanorobots to move quickly and efficiently.

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The momentum of an object is determined to be 7. 2 × 10-3 kg⋅m/s. Express this quantity as provided or use any equivalent unit. (note: 1 kg = 1000 g )

Answers

The momentum of the object when expressed using the equivalent units is determined to be 720 g-cm/s.

What are Equivalent Units?

The amount of work put into a specific quantity of physical goods is measured in equivalent units. You may easily determine equivalent units by multiplying the quantity of physical goods by the amount of work done on them.In order to determine them, the number of physical (or actual) units on hand is multiplied by the units' completion rate.

In the given question, momentum, [tex]p=7.2 \times 10^{-3}[/tex] kg-m/s

Here, the momentum is expressed in SI units.

Now, we can convert the units of momentum into CGS system using the following equivalent units.

1 kg = 1000 g and 1 m = 100 cm

So, we get the momentum as,

[tex]p=7.2 \times 10^{-3} \times 1000 \times 100[/tex] g-cm/s

[tex]\implies 7.2 \times 10^{2}[/tex] g-cm/s

[tex]\implies p=720[/tex] g-cm/s

Hence, the  momentum of the object when expressed using the equivalent units is 720 g-cm/s.

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Which two species do you infer are the least closely related to humans?billy bob thornton

Answers

Answer: Octopuses, salamanders

Explanation: octopuses have more than one heart have blue blood and have no bones salamanders have gills and other stuff

Using the number of amino acid differences, it would appear that the two birds are more closely related (had a common ancestor very recently), while the two fungi would have to trace their common ancestry much farther back in time (much more distantly related).

What is a specie be?

A species is an organism's fundamental unit of classification, taxonomic rank, and biodiversity in biology. A group of organisms known as a biological species can reproduce with one another in the wild and give birth to healthy offspring.

The billions of people on the planet today are all members of the same species, Homo sapiens. Human beings differ among themselves, just like other species do, in terms of everything from size and shape to skin tone and eye color. However, we are much more alike than we are different.

Based on the information, the birds are more closely related as they have a common ancestor very recently.

The complete information is Illustrated below.

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The number of amino acids in human cytochrome c differs between humans and the species at left.Which two species do you infer are the least closely related to humans?

The ratio of length to width of a rectangular garden is 6:7 if the perimeter of the rectangle is 78m what is the area? in meters.

Answers

Answer:

378 [tex]m^{2}[/tex]

Explanation:

"All About Global Warming." Science 9 Nov. 2010: 1283-84. Science Online. Web. 24 May 2013.

PLEASE HELP 30 PTS!

Which choice correctly formats the in-text citation for this source?


1 (Science Online 1284)


2 (Science, 1284)


3 ("All About" 1284)


4 (The website Science Online 1284).

Answers

Answer:

1 (Science Online 1284) is the correct choice. This in-text citation follows the format of including the author (in this case, Science Online) and the page number (1284) in parentheses.

if you switch the locations of the parent genotypes around the Punnett square, does it affect the potential genotypes of their offspring?

Answers

If you switch the locations of the parent genotypes around the Punnett square, it would not affect the potential genotypes of their offspring.

What is a Punnett square?

A Punnett square may be characterized as a type of table that allows you to determine the expected percentages of different genotypes in the offspring of two parents. It allows the prediction of the percentages of phenotypes in the offspring of a cross from known genotypes.

The potential genotypes of their offspring would not be affected when you switch the locations of the parent genotypes around the Punnett square. This is because the genotypes of the offspring are formed by the random and systematic segregation of their alleles with respect to their genes.

Therefore, if you switch the locations of the parent genotypes around the Punnett square, it would not affect the potential genotypes of their offspring.

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What should you do in parallel in order to not get bored, if you start a habit of long studying hours ?

And that activity shouldn't be distracting either. ​

Answers

Answer:

Mix up your topics. To help you not get bored while you are studying, you should change up the topics that you are studying. It is unlikely that you only have one subject to study for at a time, so mix up what you study every half an hour to an hour or so.

Explanation:

What advantages and disadvantages does that offer Khadim as an author?

Answers

The advantage that offers Khadim as an author is to impress the reader through their ideas, objectives, emotions, and literary devices.

What is the fundamental work of an author?

The responsibilities of an author include writing original stories for novels, plays, television scripts, and movies. Authors also write journals, develop story elements, and rewrite and revise pieces written by other writers.

With respect to advantages, an author must also have numerous disadvantages. The most important disadvantage is facing criticism from the author whenever an author makes slight mistakes in expressing their thoughts. In this circumstance, the audience all the time never gives excuses or pardons to the author which he certainly deserves.

Therefore, the advantage and disadvantages that offers Khadim as an author are well described above.

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An object moves 15. 0 m north and then 11. 0 m south. Find both the distance it has traveled and the magnitude of its displacement

Answers

Answer: The object ends up 4.0m north from the starting point, and the magnitude of the displacement is 4.0 m (northwards). ✅

Explanation:

The distance an object travels is the total distance it has moved in all directions. This can be found by adding up the distance it has moved in each direction.

In this case, the object moved 15.0 m north and then 11.0 m south. To find the total distance traveled, we add 15.0 m + 11.0 m = 26.0 m. So the distance traveled is 26.0 meters.

The magnitude of the displacement of an object is the distance and direction between the initial and final position. In this case, the object moved 15.0 m north and then 11.0 m south. So, the object ends up 4.0m north from the starting point, and the magnitude of the displacement is 4.0 m (northwards).

Hope this helps!!!

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