Which of the Following Best Explains Why an Interstellar Ramjet

question 60

Multiple Choice

Which of the following best explains why an interstellar ramjet could, in theory, achieve continuous acceleration?

• A) It uses fuel that is more efficient than any other known fuel.
• B) It collects its fuel as it goes, rather than having to carry the weight of fuel along with it.
• C) It takes advantage of theoretically possible loopholes in Einstein's theory of relativity.
• D) It has such a large fuel tank that it will essentially never use up all the fuel it carries.
• E) Its speed always gets faster because time dilation changes the rate at which time flows.

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