Astronaut Rachel Leaves Earth in a Spaceship at a Speed

question 60

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 years
• B)15 years
• C)11 years
• D)4.2 years
• E)23 years

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Definitions:

Psychokinesis

The purported ability to move or manipulate objects through mental effort alone, a phenomenon not scientifically proven.

Clairvoyance

The presumed capacity to acquire knowledge regarding an object, individual, place, or physical occurrence without using the five traditional senses.

Telepathy

The supposed communication of thoughts or ideas without the known sensory channels, often considered a paranormal phenomenon.

Relational Aggression

An act of aggression (physical or verbal) intended to harm a person’s relationship or social standing.