Someone in Earth's Rest Frame Says That a Spaceship's Trip

question 32

Multiple Choice

Someone in Earth's rest frame says that a spaceship's trip between two planets took 10.0 y, while an astronaut on the space ship says that the trip took 6.27 y. Find the speed of the spaceship in terms of the speed of light.

• A) 0.779c
• B) 0.687c
• C) 0.975c
• D) 0.384c

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Definitions:

Step-Down Method

An accounting method used in cost allocation that sequentially allocates service department costs to other departments, including production ones.

Support Department

A division within an organization that provides essential services or support to the primary operations or profit centers.

Finishing Department

The section in manufacturing where products undergo final processing, assembly, or completion.

Cost Allocated

The distribution of indirect costs to different cost objects, to fairly attribute overhead expenses to products or services.