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Blizzard [7]
3 years ago
9

Your boss asks you to design a room that can be as soundproof as possible and provides you with three samples of material. The o

nly information on each sample's label is the material's coefficient of absorption. The coefficient of absorption listed on Sample A is 30%, on Sample B is 47%, and on Sample C is 62%. When your boss asks for your choice and the reasoning behind it, what would you tell him? A. Sample A would be best, because the percentage of the energy in an incident wave that remains in a reflected wave from this material is the largest. B. Sample C would be best, because the percentage of the energy in an incident wave that remains in a reflected wave from this material is the smallest. C. Sample A would be best, because the percentage of the energy in an incident wave that remains in a reflected wave from this material is the smallest. D. Sample C would be best, because the percentage of the energy in an incident wave that remains in a reflected wave from this material is the largest.
Advanced Placement (AP)
2 answers:
BigorU [14]3 years ago
8 0
I think the answer will be B
Xelga [282]3 years ago
7 0

B. Sample C would be best, because the percentage of the energy in an incident wave that remains in a reflected wave from this material is the smallest.

is correct!

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You can save one object before your house burns down. What is it? What makes that object important to you? Please elaborate and
KIM [24]
If my house was going to burn down and I could only save one object, I would save my grandfathers guitar. I would do this because it is a family heirloom, so it is very special to me. It is also the last thing I have left of my grandfather, so I want to be able to keep this guitar for as long as I can do it can be passed down to generations after me. The guitar has already been passed down through 2 generations before me so I would like to keep the tradition going and keep it in the family. It is also a rare guitar that isn’t made anymore so it is irreplaceable to my family.

Hope this helps! :)
3 0
3 years ago
U.S. foreign policy shifted away from (BLANK) to international involvement.
suter [353]

Answer:

Isolationism

Explanation:

In the 19th century, the United States under the administration of George Washington established a policy to isolate itself from intervening in foreign wars. There were deliberations as to whether the United States will join the League of Nations and interfere in wars. This policy was a result of the economic crisis faced by the United States at that time and there was a need to focus on the problems than getting involved in foreign affairs. Thomas Woodrow Wilson assuming power as the President of the United States, also maintained that stance as he urged the United States not to involve in wars.

Wilson changed his mind after he realized the war in Europe will most likely extend to the Atlantic Ocean. The number of people killed in the war also propelled the intervention of the United States. Its strong alliance in maintaining peace and stability in all states was also a key factor. With this intervention in the World War, the United States assumed the status of World power.

5 0
3 years ago
List two benefits of a group college visit
vampirchik [111]

Answer:

Real connection with college situations.

Find out the different careers you may study.

Explanation:

Real connection with college situations

You can the different activities that are carried out during the classes such as a lecture, an oral presentation, a debate, a sport activity and even attend a meal event in the cafeteria. It will help you get involved or at least have a notion of the campus life.

Find out the different careers you may study

Maybe, you still don´t know what to study. So, a group college visit may help you make up your mind on what career to chose. College students will take you on a tour and they´ll talk about the different careers that you can study.

4 0
3 years ago
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wlad13 [49]
Countries would be able to increase their productivity for the services with comparative advantage. A country then can sell products they produce efficiently and also would buy from other nations the products that they cannot produce. The comparative advantage can lose if there are competitors operating in a low wage country.
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3 years ago
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Which soil types do you think are the most easily eroded, soils with a high sand content or soils with a high clay content?
Musya8 [376]

Answer:

soils with a high sand content

7 0
3 years ago
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