An Astronaut in an Inertial Reference Frame Measures a Time

question 23

Multiple Choice

An astronaut in an inertial reference frame measures a time interval Δt between her heartbeats.What will observers in all other inertial reference frames measure for the time interval between her heartbeats?

• A) Δt
• B) more thanΔt
• C) less than Δt
• D) The answer depends on whether they are moving toward her or away from her.

---

Definitions:

Dopamine Antagonists

Substances that block dopamine receptors, often used in the treatment of psychiatric disorders such as schizophrenia.

Phenothiazines

A class of antipsychotic drugs used to treat mental disorders such as schizophrenia by blocking dopamine receptors in the brain.

Schizophrenia

A mental disorder characterized by distortions in thinking, perception, emotions, language, sense of self, and behavior.

Selective Serotonin Reuptake Inhibitors

A class of drugs commonly prescribed for depression and anxiety disorders that work by increasing serotonin levels in the brain.