An Astronaut at Rest Has a Heart Rate of 68

question 17

Multiple Choice

An astronaut at rest has a heart rate of 68 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 0.76 c?

• A) 105 beats/min
• B) 52 beats/min
• C) 33 beats/min
• D) 139 beats/min
• E) ​44 beats/min

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Definitions:

Serial Monogamy

The practice of engaging in a series of monogamous sexual relationships, one after the other, over a period of time.

Cohabiters

Individuals who live together in a domestic partnership without being legally married.

Noncohabitors

Individuals who are in a romantic relationship but choose to live separately, not sharing the same residence.

Institution of Marriage

A socially and legally recognized union between individuals that establishes rights and obligations between them, as well as their children, and their in-laws.