An Astronaut on a Spaceship Moving at 0

question 123

Multiple Choice

An astronaut on a spaceship moving at 0.927c says that the trip between two stationary stars took 4.26 y. How long does this journey appear to take to someone in the rest frame of the two stars?

• A) 1.60 y
• B) 2.30 y
• C) 12.6 y
• D) 11.4 y

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Definitions:

Opportunity Cost

The expense incurred by not selecting the next most favorable option when deciding or opting for one action instead of another.

Hourly Wage

The amount of money paid to an employee for one hour of work.

Leisure

Time free from work or duties, which can be used for relaxation, hobbies, or cultural activities.

Substitution Effect

The transformation in purchasing decisions resulting from changes in the relative pricing of goods, compelling consumers to replace one good with another.