Good Morning. Can you help me on this question please?

Miners are deep below ground, working on a metal pipe in the mine shaft that goes up to the surface. The workers bang on the pipe and yell out loudly to talk to one another. If a worker is coming down the mine shaft to join the team, what will he hear first?

A. He will not hear anything until he gets very close because sound waves travel very slowly.
B. He will hear the workers yelling first because sound waves travel through air faster than they travel through metal.
C. He will hear the banging on the pipe first because sound waves travel through metal faster than they travel through the air.
D. He will hear banging on the pipes and the workers yelling at the same time because sound waves travel at the same speed through metal and air.

Answers

Answer 1

The sound that he is going to hear first is:

He will hear the banging on the pipe first because sound waves travel through metal faster than they travel through the air.

What is sound wave?

This is the wave that is made due to the fact that a disturbance is being caused to happen. This then gives off energy that travels through a medium.

The sound that would be heard first is the one that its material allows sound to move the fastest.

Read more on sound wave here:https://brainly.com/question/1199084

Related Questions

Opinion: Choose a side and defend it in four to five sentences. Given the choice between a vehicle that runs on gasoline or one that runs on electricity such as the Aptera 2e, which would you choose and why? Think about fuel consumption, design of the vehicles, and other factors that may influence your decision.

Answers

Answer:

my opinion would be electric

Explanation:

because when it comes down to the bare minimum the best choice for the world in the long run would be electric because it puts a big dent back for global warming and the burning of gasses so the more people who drive electric cars are the people who are trying to save the world a little at a time by preventing the burning of gasses. hope this helps :)

I would say electric

Jessie works for a hardwood floor finish company teaching contractors how to sand and finish hardwood floors. The most appropriate pathway in the Education and Training career cluster for Jessie’s job is the Teaching and Training pathway. True or false?

A. True
B. False

Answers

True because for manual labor jobs training on sight is the most efficient use of time and money

I would definitely say true because it sounds like jessie would like that career

I’m building a pc, but I only have 2 sata cables. What are the other required cables to connect to or parts, such as the gpu?

Answers

Answer:

You would also need power cables.

Answer:

check on the sides of ur pc or on the back or on the bottom see if there is a manual and follow the manual guide

WHat type of enginering is best for a person learing Javacript and Java,while aso being able to understand a simple way

Answers

Answer: electronic

Explanation: electronics, like remote controled vehicles would work

JavaScript. Does that answer your question?

(Please help me I'm struggling) The United States spends over $20 billion a year on space exploration through NASA. Do you think that this has been worth the cost? In three to five sentences, provide two specific examples of things we have learned from space exploration, and explain how these examples influence your opinion.

Answers

Answer:

Explanation: Sunday, July 20, marked 45 years since the United States put the first two astronauts safely on the moon. The cost for the Mercury, Gemini and Apollo programs was more than $25 billion at the time more like $110 billion in today’s world. The ensuing U.S. space efforts have cost an additional $196 billion for the shuttle and $50 billion for the space station. NASA’s total inflation-adjusted costs have been more than $900 billion since its creation in 1958 through 2014 (more than $16 billion per year). Looking back, have we gotten our money’s worth from the investment? I say yes.

Yes, the investment in space exploration through NASA has been worth the cost.

What are examples to this assertion?

Two significant examples demonstrate its value. Firstly, space exploration has led to a deeper understanding of Earth's environment, including climate change patterns and natural disaster prediction. This knowledge helps address global challenges.

Secondly, exploration of Mars has provided insights into the potential for extraterrestrial life and the evolution of habitable planets, expanding our understanding of the universe and humanity's place in it.

These advancements in knowledge and their practical implications underline the long-term benefits and enrichment of scientific knowledge gained from space exploration.

Learn more about NASA at:

https://brainly.com/question/1350178

#SPJ3

What is the fastest motorcycle in the world? How fast does it go?

Answers

The fastest motorcycle in the world is the Dodge Tomahawk. It can reach a top speed of 420 mph.

Answer:The turbine-powered MTT 420-RR

Explanation: the turbine motorcycle is one of the many fastest motorcycles in the world. with top speed hitting 273 mph (439 km/h)

What is the focus of 7th grade civics

a.United States History & Economics

b.United States Art

c.United States Government & Politics

d.United States Environment

please help out a fellow 7th grader

Answers

c. seems like the best answer. i may be wrong so don’t quote me on that

I’m going to say C is the possible correct answer

PLS HELP!!!
Choose the best definition of synthesizing information.

A.You must find information from many sources and cite each source separately.

B.You must copy the most important quote from a source to restate relevant facts.

C.You must use the most important information from several sources to create something new

Answers

Answer: C

Synthesizing is basically mixed or together, sometimes creating something new

The best definition of synthesizing information is "You must use the most important information from several sources to create something new". Thus, option C is correct.

What are the protein digestion's intermediary byproducts?

Amino acids can be used as a source of energy generation thru the Krebs cycle since digesting them yields metabolic intermediates such pyruvate, acetate CoA, acetoacyl CoA, decarboxylation, or -ketoglutarate.

Acetyl-CoA is a crucial intermediate involved in numerous metabolic pathways, such as cellular respiration, the metabolism of fatty acids, steroids, and amino acids, the synthesis of ketone bodies, and the production of neurotransmitters. It has also been suggested that acetyl-CoA may have an impact on the AMPK signalling pathway.

Therefore, The best definition of synthesizing information is "You must use the most important information from several sources to create something new". Thus, option C is correct.

Learn more about amino acids on:

https://brainly.com/question/14583479

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List some things that have changed because of the engineering process.

Answers

Answer:In fact, engineers have completely changed the world we live in, from modern homes, bridges, space travel, cars and the latest mobile technology. Innovative ideas are at the heart of what engineers do, and they use their knowledge to create new and exciting prospects and solve any problems that may arise.

Explanation:

yea:D

I hope you have a nice day today

The city hall of Greensburg will be considered a hybrid building. List two of the building systems that will make up the sustainable portion of this hybrid building.

Answers

Answer:

ground source heat pump

I think ground source and heat pump are the answers let me know if this jealous

What is the fastest plane in the world

Answers

Answer:

Lockheed SR-71 Blackbird

Explanation:

Lockheed SR-71 Blackbird

Ava works in a college admissions office. She is involved in reading applications and matching students to the criteria set out by the school for acceptance. If Ava decides that the student qualifies to attend the college, she notifies them. Which pathway in the Education and Training Cluster does Ava’s career fall into?

A. Teaching and Training
B. Administration and Administrative
C. Professional Support Services
D. Science & Mathematics

Answers

Answer: It will be Option C, " Professional support and Services ".

Proof : She is only reading applications that might be related to complaints or admissions, So , Option A and D is incorrect.• She is not in the field of anything related to teaching, therefore, Option B is also incorrect.Now Option C is only remaining. Therefore,Option C is your answer.Hope it helps you...

C.Professional Support Services

what is the advantage of using sun energy over fossil fuels

Answers

Pollution will decrease and solar can prevent $167 billion in health and environmental damages.

Answer:

Pollution will decrease and solar can prevent $167 billion in health and environmental damages.

Explanation:

Which of the following is a valid reason why a scientist might reject a scientific theory
A. Some people disagree with it
B. it cover to Broad a topic
C. New evidence Contradicts it
D. it is too old

Answers

C I think hope it helps :)

Answer:

C. New evidence Contradicts it

Explanatine

Does a food market have any rooms in particular? Also whats units?

Answers

Sometime but mostly climates

Yes not sure about the units tho

A student is measuring the effects of an electric circuit on a compass, and he is testing to see if increasing the current will cause the compass needle to change its direction faster. He does one trial using a 9-volt battery and another trial using a 1.5-volt battery. He takes accurate data. Based on good experimental design, what would improve his experiment?

A) He should repeat the test with three additional batteries of varying voltages to demonstrate the reproducibility of results.

B) He should use only one battery but do several trials, using different circuit designs to ensure he has appropriate test groups.

C) He should add a nonworking compass to act as a control.

D) He should use batteries of the same voltage but from different manufacturers to show he has used different variables.

Answers

Hello!
The answer is A.
Hopefully I helped :)
Please mark me brainilest if you get the chance

the answer is a!! :)

A design team is working on creating a new energy-efficient light. They have completed the following steps:

They asked questions, did research, and determined the design requirements for their solution.
They brainstormed, sketched their ideas, compared them, and identified the best possible solution to pursue.
They created detailed technical drawings, including CAD drawings, to use to produce their solution.
What is the next step of the design process that they should complete?

Answers

I believe that it is to produce a product

Answer:

Test what you have studied to see if it works. If it fails, restart the design process. Also, the next step in the design process is not to manufacture the product, because you first have to check if the solution is actually the best one and if it will work.

Which of the following best describes solids, liquids, and gases? the speed at which fluids flow the measurement of elasticity in fluids the normal phases in which matter exists the ability of a fluid to flow through anything

Answers

Answer:

water flows and gas lingers in the air while solids are stabilized

Explanation:

Answer: water flows and gas lingers in the air while solids are stabilized

PLEASE HELP ASAP what is the main purpose of flybarless system where are they used

Answers

The flybar is a modification of the traditional pogo stick design which allows writers to propel the sounds of to a world record 8 feet and 6 inches into the air.

Sorry I don’t know where they are used

Answer:

What is a flybarless system / flight controller? ... Flying with a flybarless head also called an FBL rotor head on RC helicopters is nothing new for the larger scale crowd as many big scale birds or scale birds with multi bladed rotor heads have been around for years.

Explanation:

Do you think we can walk on the sun one day?

I don't know maybe some weird scientists from Ohio create sun-proof suits and we can go during the night and at winter.

Answers

Answer: Yes

Explanation:

I KNOW ITS FOOLISH BUT YES. THE HUMAN RACE MADE A HAND HELD DEVICE THAT CARRIES ALMOST ALL THE INFOMATION IN THE WORLD. CALLED "The Cell Phone" AND WE JUST CHILLIN. With It OVER 50% OF THE WORLD HAS ONE. So Yes.

I'm sorry to say that it is currently impossible for humans to walk on the sun or even get close to it. The sun is an extremely hot and volatile star, with surface temperatures reaching up to 5,500 degrees Celsius (9,932 degrees Fahrenheit) and core temperatures of over 15 million degrees Celsius (27 million degrees Fahrenheit). The heat and radiation emitted by the sun would be lethal to any form of life as we know it.

Even with sun-proof suits, there is currently no material that can withstand the extreme heat and radiation of the sun for more than a few seconds. Additionally, the distance between the Earth and the sun is so vast that it would take years for any spacecraft to travel there, and the journey would be extremely dangerous due to the intense gravitational forces and radiation.

Therefore, while it's always possible that new technologies and scientific breakthroughs could change our understanding of what's possible, as of now, it is highly unlikely that humans could ever walk on the sun.

If you are setting up a race car. What is the cross weight? Does it matter?

Answers

Answer:

cross-weight is used to tighten it up.

Explanation:

and yes this is important because Cross-weight percentage compares the diagonal weight totals to the car's total weight.

hope this help

(mark this answer as an brainliest answer)

Cross weight is used to righted it up

my whole engineering class just got yelled at for screaming Queer

Answers

Answer:

leave the classroom

Explanation:

doing this will alllow you do get a f

That happened to me but in 6th grade science

Find all the words, Figure out my puzzle!
j,dmkkdidm fakefkfjojonrjnrbfrrjgjkre saltfnkfdnsknkdfdlkdfj;kldj; felix'skfjfejdddddddddddddshdhfkstoe?kfkjewlwjfjfklw
fjripmckdfkdfnfkfs;fkfsd nfjfjturtleflksjlsfjninjafjorioejero rjffkdflaliceijfjfofrkefriendfmkmfmkrmfrkrlwelwlkfmflewrmfmkrelrf;w

NO ONE WILL FIND OUT LILY TRESCOTT'S PUZZLE!!!!!!!!!!!!!!!!!!!!!!!!!!!! MWAHAHAHAHAHAHAHAHAHAHA

Answers

Answer:

I found the word!

It was Free points.

Did fake salt Felix turtle ninja Alice friend

Can somebody help me make a Rube Goldberg machine swear I'm finna drop out

Answers

A Rube Goldberg machine is essentially a way to have something do multiple tasks just to complete a simple task. There are videos online of marble runs, maybe watch a few to learn how to make one and go from there. Also, I believe you can make a Rube Goldberg machine in a game.

A Rube Goldberg machine Would be very effective , you can do multiple task at once. To make at home you would need many materials and time. Help on how to create can be found

Describe 3 factors an engineer should take into consideration when choosing material for building the pipes in a pipeline

Gr. 8
Think it has something to do with Viscosity, Density, and Pressure but not sure what

Answers

Answer:

Durability: The material used for building pipes in a pipeline should be able to withstand the conditions it will be exposed to, such as pressure, temperature changes, and corrosion.Flow properties: The viscosity and density of the liquid or gas that will be flowing through the pipeline should be taken into consideration when choosing the material for the pipes. Materials with lower viscosity and density will be more suitable for transporting fluids with high flow rates.Cost: The cost of the material used for building pipes in a pipeline is an important consideration. Engineers need to choose a material that is both durable and cost-effective, while still being able to meet the flow and pressure requirements.

Answer:

design, material, cost

Explanation:

Lana is attending the University of Georgia. Her school network is not accessible to any users outside of the school. This type of computer network is called________ .

Internet
Intranet
Mininet

Answers

Intranet is the answer because it is limited to a certain area, group.

Intranet is the answer

where is the clutch on a motorcycle?

Answers

Answer: The clutch lever is located on the left side of the handlebar

Explanation: that's where it is lol ,heres a link to a pic

Answer: The clutch lever is located on the left side of the handlebar. It disengages and engages the power from the engine to the rear wheel.A

Explanation:

I will mark brainliest.
The least likely result of a severe electric shock is...
A. Unconsciousness
B. Stoppage of Breathing
C. A Burn
D. Bleeding

Answers

Answer:

${\huge{\pink{\mathcal{Answer࿐❤}}}} $

Stoppage of Breathing

I think it’s bleeding,I know when one gets electrocuted they Experience difficulties in breathing or no breathing at all!

What impact does Hotel General Manager have on their hotel guests?

Answers

Answer:

Explanation: I don't know

since they are the manager it impacts the entire hotel because managers have a responsibility that includes hiring people appropriate for the job. if there are rude, lazy and impatient employees in the hotel roaming around, can impact the guests negatively. The same goes with amazing workers, it’ll impact the hotel positively. But who’s responsibility was it to hire? the Managers.

What does it take to launch a rocket in space?

Answers

To get rockets into orbit, they need much more thrust than the amount that will get them up to the required altitude. They also need sufficient thrust to allow them to travel with very high orbital speed. ... If speed is less than this, an object will fall back to the Earth

You need more than enough fuel engine to blast you up in to space for if anything goes wrong you have enough

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