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aliina [53]
3 years ago
12

6 points

Social Studies
1 answer:
sveta [45]3 years ago
3 0

Answer:

The answer is True. You are welcome

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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
PLS HELP IT'S DUE TODAY!
slava [35]

Answer:

c

Explanation:

when the dead is buried they put in stuff they own or thier things to put in to honor them

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I don’t have a direct answer, but if you follow this link:(http://www.aspq.org/uploads/pdf/4cd97591b55139-weight-problems-in-quebec-getting-mobilized.pdf), you may get some helpful information. Hope this helps!
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The word falling and having it to divide from ‘fall’ and ‘-ing’ are considered that they are morphemes. A morphenes is a grammatical unit which is small in language in which these languages can’t be divided as fall and –ing can’t be divided for it does not produce any meaning if it did.

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