Suppose Astronauts Are in a Spaceship Traveling Toward Earth at 95

question 116

Multiple Choice

Suppose astronauts are in a spaceship traveling toward Earth at 95% of the speed of light. Compared with when the ship was at rest on Mars, what length do the astronauts measure for their spaceship?

• A) It cannot be determined; their life processes have slowed down too much for them to measure the length.
• B) same
• C) shorter
• D) longer

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Definitions:

Perfect Correlation

A statistical relationship indicating that two variables move in complete synchronization with each other, either positively or negatively.

Real World

The physical and social environment in which individuals live and interact, outside of artificial or virtual contexts.

Correlation Coefficients

Statistical measures that indicate the extent to which two or more variables fluctuate together.

Cause and Effect

The principle that every event (effect) has one or more causes; this relationship explains why things happen and allows for prediction and intervention.