An Astronaut on a Spaceship Moving at 0

question 18

Multiple Choice

An astronaut on a spaceship moving at 0.927c says that the trip between two stationary stars took 7.49 y. How long does this journey take as measured by someone at rest relative to the two stars?

• A) 20.0 y
• B) 2.81 y
• C) 4.05 y
• D) 22.1 y

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Definitions:

Myopia

A common vision condition in which close objects appear clearly, but distant ones don't.

Young Adulthood

A stage of human development that typically covers individuals aged 20 to 40 years, characterized by the pursuit of independence, career establishment, and often starting a family.

Dyslexia

A reading disorder characterized by problems such as letter reversals, mirror reading, slow reading, and reduced comprehension (from the Greek roots dys, meaning “bad,” and lexikon, meaning “of words”).

Word Recognition

The ability to identify and understand written words accurately and efficiently.