A Spaceship Traveling at Constant Speed Passes by Earth and Later

question 19

Multiple Choice

A spaceship traveling at constant speed passes by Earth and later passes by Mars. In which frame of reference is the amount of time separating these two events the proper time?

• A) the Earth frame of reference
• B) the Mars frame of reference
• C) the spaceship frame of reference
• D) any inertial frame of reference
• E) any frame of reference, inertial or not

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Definitions:

Trialability

The extent to which an innovation or product can be experimented with on a limited basis before it is fully adopted.

Observability

The degree to which the results of an innovation or change can be seen and understood by others, impacting its acceptance and diffusion.

Intrinsic Motivation

The drive to engage in activities for their own sake and personal rewards, rather than for some external compensation or pressure.

Top Management Support

The assistance and backing provided by senior executives to projects or initiatives, which is critical for their success.