The object must move with the speed of
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:

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
and
then,

Hence, r = 
Therefore, the answer is the object must travel at a speed of
times the lightspeed to be contracted to one-half its proper length.
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C. Is the answer
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Answer:
Byzantium
Explanation:
Byzantine became an important city and centre of trade near the Black Sea. It was an ancient Greek city that became Constantinople after the Roman emperor Constantine I when he decided to relocate the capital of the Roman Empire from Rome to Greek colony Byzantium and it is now known as Istanbul. The Byzantine became rich and flourished because of its location because of the centre of a trade route.
Answer:
the first amendment
Explanation:
freedom of religion, speech, protest, etc.