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Rus_ich [418]
3 years ago
7

Suppose a piano tuner hears 3 beats per second when listening to the combined sound from a tuning fork and the piano wire being

tuned. After slightly tightening the string, 5 beats per second are heard. Should the string be loosened or tightened?
Social Studies
2 answers:
Nana76 [90]3 years ago
8 0

Answer: The piano string should be loosened

Explanation:

Since the frequency of the string happens to be five hertz (5Hz) above the the correct frequency, therefore, the piano string should be loosened.

Leya [2.2K]3 years ago
4 0

Answer:

Answer.... The string should be loosened.

Explanation:

It should be understood that, the lower the beating frequency, the closer the string is to being in the tune.

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Answer the question below please.​
astraxan [27]

Answer:

D. They run from north to south

3 0
3 years ago
Alissa is memorizing her grocery list: Eggs, bacon, sugar, apples, bread, hamburger, pop tarts, carrots, chicken, tea, eggplant,
pashok25 [27]

Answer:

The ones at the end.

Explanation:

The recency effect is a memory effect that occurs when more recent information is better remembered than does earlier-presented information.

This effect says that people tend to have a <u>better memory for information they were told more recently.</u>

This effect is the opposite of the primacy effect which refers to the tendency to recall information presented at the start of a list better than information at the middle or end.

Since Alissa is memorizing her grocery list, <u>according to the recency effect she will have a better memory for the items that she saw more recentl</u>y, thus, this would mean, t<u>he terms at the end of the list.</u> (as opposed to the primacy effect where she would recall the first ones)

4 0
3 years ago
The role of the stepparent is ___________; the relationship between a stepparent and stepchild only exists in law as long as the
IrinaK [193]

According to various experiences, the stepparent's role is <u>Precarious</u>. The relationship between a stepparent and a stepchild only exists in law as long as the biological parent and stepparent are married.

This is because the word <u>precarious</u> simply means something not fully secured and can collapse at any time.

Given that the relationship of stepparents and the stepchildren are dependent on the marriage status of step-parents and the biological parents, it means the role of stepparents is not secured.

It has been found that many times, the relationship between the biological parents and the stepparents tends to go sour at any point in time which generally jeopardizes the role of stepparents in stepchildren.

Hence, in this case, it is concluded that the correct answer is option B. "Precarious."

Learn more about Precarious here: brainly.com/question/1395656

5 0
2 years ago
How did Norman Rockwell’s Four Freedoms link America’s wartime goals and civil liberties at home? Were the images accurate depic
salantis [7]

Answer:

War time goals were to spread American ideas of freedom to Europe and the Pacific. People began to realize that those goals were not being reached at home.

No, the paintings depicted ordinary citizens of small-town America... while the country was experiencing changes in economic trends and social movements. The war gave birth to the modern civil rights movement but strengthened the commitment of many white Americans to maintain the existing racial order.

7 0
3 years ago
Dave is thrown from his motorcycle and suffers a severe blow to the head, resulting in loss of memory for events that occurred b
cestrela7 [59]
<span>Dave is experiencing retrograde amnesia caused by brain damage. This means that he can't recall the events that happened before the traumatic crash that caused his injury. In this case, it is caused by his traumatic brain injury. (TBI) However, Dave can still make new memories, because he does not have anterograde amnesia.</span>
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3 years ago
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