Multiple Choice
To travel at a tenth the speed of light (0.1c) , a spacecraft carrying humans would require
A) little effort.
B) technology that does not yet exist.
C) human physiology to evolve further, first.
D) an enormous amount of energy.
E) a way to protect the humans from being crushed by length contraction.
Correct Answer:

Verified
Correct Answer:
Verified
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