A Spaceship Travels at a Speed of 0

question 34

Multiple Choice

A spaceship travels at a speed of 0.95c to the nearest star, Alpha Centauri, 4.3
Light-years away. How long does the trip take from the point of view of the passengers on the ship?

• A) 1.4 y
• B) 1.0 y
• C) 4.5 y
• D) 14 y
• E) 0.44 y

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Definitions:

Electronic Magnetic

Pertaining to electromagnetism, a branch of physics involving the study of the electromagnetic force that occurs between electrically charged particles.

Peripheral

Pertaining to a portion of the nervous system; anything you plug into a computer, for example, a printer, USB flash drive, monitor, or scanner; side vision while looking straight forward.

Interface

The hardware and software that enable individual computers and components to interact.

Modem

A device that modulates and demodulates signals for encoding and decoding digital information over telephone lines.