An Astronaut at Rest Has a Heart Rate of 65

question 29

Multiple Choice

An astronaut at rest has a heart rate of 65 beats/min.What will her heart rate be as measured by an earth observer when the astronaut's spaceship goes by the earth at a speed of 0.80c?

• A) 108 beats/min
• B) 39 beats/min
• C) 81 beats/min
• D) 52 beats/min

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Definitions:

Depression

A common and serious mood disorder that causes persistent feelings of sadness, hopelessness, and loss of interest in activities.

Rational Thinking

The process of making decisions based on logical reasoning and critical analysis, rather than emotions or irrational thoughts.

Cognitive Therapist

A mental health professional specializing in cognitive therapy, focusing on identifying and changing negative thought patterns to improve emotional well-being and behavior.

Behavior Therapies

Action therapies based on the principles of classical and operant conditioning and aimed at changing disordered behavior without concern for the original causes of such behavior.