Astronaut Rachel Leaves Earth in a Spaceship at a Speed

question 59

Multiple Choice

Astronaut Rachel leaves Earth in a spaceship at a speed of 0.960c relative to an observer on Earth. Rachel's destination is a star system 14.4 light-years away (one light-year is the distance light travels in one year) . According to Rachel, how long does the trip take?

• A) 14.4 years
• B) 15.0 years
• C) 10.8 years
• D) 4.20 years
• E) 22.7 years

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Definitions:

Stripping

In medical contexts, a technique used to clear obstructed veins or catheters by applying firm pressure along the vessel or tubing.

Chest Tube System

A medical device used to remove air, fluid, or pus from the pleural space to prevent collapsed lung or other respiratory complications.

Bubbling Stops

Refers to the cessation of bubbling in a fluid, often indicating a change in pressure or the completion of a chemical process.

Drainage Tubing

Flexible tubes used in medical settings to remove fluids from the body or a wound area, aiding in recovery and healing.