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vredina [299]
3 years ago
10

Which of the following is true of U.S. political parties since 1980?

Social Studies
1 answer:
Rudiy273 years ago
8 0
I believe the answer is E. II, III, and IV
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Which of the following would one NOT expect to apply to a state's active poverty
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Answer:E

Explanation:

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3 years ago
The first constitution of the state of Georgia was written in what year?
AlladinOne [14]

B) 1777

Hope this helps:

The first constitution of the state of Georgia was written in 1777. It was ratified in the city of Savannah while the Revolutionary War was being fought.

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What effect did the Erie Canal have on New York City​
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Not only did the Erie Canal open the American interior to increased trade, commerce, and settlement. It also became an "information superhighway" for new ideas. Hopefully this helps!

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3 years ago
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How fast must an object move before its length appears to be contracted to one-half its proper length?
notsponge [240]

The object must move with the speed of \frac{\sqrt{3} }2} times to approximately seeing that it is contracted to exactly half of its actual length.

<h3>How is this calculated?</h3>

The length contraction experimented by the object as it approaches lightspeed, in meters per second, is described by Lorentz contraction formula:

\frac{L}{L'} = \sqrt{(1) - (\frac{v}{c})^{2}

Here, v is the current speed m/s

c is the speed of light in m/s

L' is the length of the object at rest in m

L is the length of the object at the current speed in m

Now we know that

\frac{L}{L'}= \frac{1}{2} and \frac{v}{c} = r then,

\frac{1}{2} = \sqrt{1 - r^{2} }\\\frac{1}{4} = 1 - r^{2}\\r^{2} = \frac{3}{4}

Hence, r = \frac{\sqrt{3} }{2}

Therefore, the answer is the object must travel at a speed of \frac{\sqrt{3} }{2} times the lightspeed to be contracted to one-half its proper length.

To know more about the Lorentz contraction formula, visit:

brainly.com/question/17407131

#SPJ4

7 0
2 years ago
What was the Eiffel Tower originally built for?
goldenfox [79]
It was the main exhibit of the Paris Exposition 1889
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3 years ago
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