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Greeley [361]
4 years ago
6

What term is used to describe the change in direction of sound that encounters an acoustic interface?

Social Studies
2 answers:
bazaltina [42]4 years ago
3 0

Answer:

When a wave reaches the boundary between one medium another medium, a portion of the wave undergoes reflection and a portion of the wave undergoes transmission across the boundaryr:

Explanation:

When sound changes mediums (enters a different material) at an angle other that 90 degrees, it is bent from its original direction. This change in angle of direction is called refraction. Because of the angle, part of the wave enters the new medium first and changes speed

Natalija [7]4 years ago
3 0

Answer:

Refraction

Explanation:

A change in direction of a wave due to a change in its speed. When an ultrasonic wave passes through an interface between two materials at an oblique angle, and the materials have different indices of refraction, both reflected and refracted waves are produced.

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About how many slaves were imported to the Americas between 1493 and 1810​
adoni [48]

Fewer than 350,000 enslaved people were imported into the Thirteen Colonies and the U.S, constituting less than 5% of the twelve million enslaved people brought from Africa to the Americas. The great majority of enslaved Africans were transported to sugar colonies in the Caribbean and to Brazil.

Hopefully I Helped!

7 0
3 years ago
Suppose that some investors have decided that economic and financial uncertainty have made the prospect of investing in domestic
Yanka [14]

Answer:

People are rational

Explanation:

Rational behavior is referred to in the decision-making process that is based on making choices that result in the optimal level of benefits and utility for individuals. The assumption of individuals' behaviors implies that people would rather be better than worse off. Most conventional theories are based on the assumption that all individuals taking part in action or activity are behaving rationally. The basic rationale behavior is also a key assumption of the rational choice theory, an economic principle that assumes individuals always make a prudent and logical decision that provides people with the greatest benefits or satisfaction. Rational behavior doesn't always require a [person to attempt in more returns. The optimal return for an individual may involve non-monetary returns and risk considerations.  

7 0
4 years ago
what colonist riot refuse to use the stamps harass stamp distributors and prepare a declaration of rights and grievances stating
VMariaS [17]
I believe it is the Stamp Act
5 0
3 years ago
How did Americans change their environment in order to improve transportation?
Ipatiy [6.2K]

Answer:

These advances in transport helped drive settlement in the western regions of North America. They were also essential to the nation's industrialization. ... Busy transport links increased the growth of cities. The transportation system helped to build an industrial economy on a national scale.

Explanation:

hope this helps

5 0
3 years ago
What does research show about<br> relationships?
avanturin [10]

What research shows about relationships is how a variable is able to cause changes in another variable.

<h3>What is research?</h3>

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The use of research helps to show the relationship that is present between the variables that are in the question.

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brainly.com/question/968894

4 0
2 years ago
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