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boyakko [2]
3 years ago
12

What are the advantages and disadvantages of the Columbian exchange?

Social Studies
1 answer:
il63 [147K]3 years ago
4 0

Answer: Crops providing significant food supplies were exchanged. Some of the crops Europeans brought to the New World have become food source staples around the world. These crops include wheat, barley, soybeans, rice, and various leafy vegetables.

Explanation:

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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
Most cases come to the Supreme Court ________ A. on appeal from private citizens B. on the recommendation of Congress C. before
nexus9112 [7]

Answer:

D

Explanation:

on appeal from lower courts.

7 0
3 years ago
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When Isaac was promised, Abraham was 99 years old and Sarah was 90 years old.<br><br> True<br> False
Margaret [11]
I think it would be true

5 0
3 years ago
What does it mean if a hurricane warning has been issued?
Anuta_ua [19.1K]

Answer:

C. A hurricane is likely to make landfall in the next 24 hours.

Explanation:

6 0
3 years ago
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buddhism was founded by siddhartha gautama. what type of family background was he born into? choose the two best words that rela
Serga [27]

Siddhartha Gautama, the prince of the Shaka clan, lived during the 5th century B.C. Gautama, the founder of Buddhism, was born into a wealthy family in present-day Nepal.

<h3>What five stages comprise the Buddha's life?</h3>

The five stages of his life are as follows: birth, insight, enlightenment, the first conversation, and death. To represent the pivotal periods in the man's life, each stage comprises significant events and encounters. The main ideas of his teachings are likewise connected to these stages

<h3>How does the Buddha's Eight Fold Path work?</h3>

Right perspective, right resolve, right speech, right behavior, right livelihood, right effort, right mindfulness, and right samadhi ('meditative absorption or union'; alternatively, equanimous meditative awareness) are the eight practices that make up the Eight-fold Path.

<h3>Has Buddha ever professed faith in God?</h3>

For Buddha, existence of God was irrelevant. Although there are supernatural beings who can aid or obstruct humans on the path to enlightenment, Buddhists do not believe in any form of deity or god.

To know more about Buddhism, visit:

brainly.com/question/8920497

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7 0
1 year ago
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