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Rus_ich [418]
4 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]4 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]4 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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During the Jim Crow era, whites and blacks were separated by extreme segregation. While the free black electorate threatened the
Svetlanka [38]

Answer:

Noel hypothesis.

Explanation:

The theory that best explains segregation under these conditions is the <em>Noel hypothesis</em>. The Noel hypothesis claims that if there is contact of groups were there is ethnocentrism, competition and differential in power, some dominant-minority group will be created. This will lead to inequality. Ethnocentrism is the belief in the superiority of our race and culture. It can make us view the other race as inferior. The three components of this hypothesis were present during the Jim Crow era.

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xenn [34]

Answer:

It maintained that only Congress could regulate commerce between states.

Explanation:

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balu736 [363]
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jenyasd209 [6]

The correct answer to this open question is the following.

You forgot to attach the section "English mariners improve seamanship." However, we can comment on the following.

Jamestown colonists had to use every resource they had wisely because they faced many problems when they arrived at the North American territory in 1607.

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