An Astronaut Aboard a Spacecraft Enroute to Mars with a Speed

question 16

Multiple Choice

An astronaut aboard a spacecraft enroute to Mars with a speed of 0.5c relative to Earth observes a meteor approaching head on at a speed of 0.9c.What is the speed of the meteor relative to Earth?

• A)1.4c
• B)-0.73c
• C)0.4c
• D)2.55c
• E)None of these is correct.

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Definitions:

Disgust

A feeling of intense disgust or aversion triggered by something seen as repulsive or disagreeable.

Joy

Joy is a feeling of great pleasure and happiness, often arising from a sense of well-being or fulfillment.

Prefrontal Cortex

The part of the brain located at the front of the frontal lobe, associated with complex cognitive behavior, personality expression, decision making, and moderating social behavior.

Negative Emotions

Feelings that are generally perceived as unpleasant, such as sadness, anger, and fear, influencing both thought processes and behavior.