According to the Principle of Relativity, an Observer Who Has

question 23

Multiple Choice

According to the principle of relativity, an observer who has no communication with the world outside of her laboratory will be unable to detect

• A) her laboratory's acceleration.
• B) her laboratory's velocity.
• C) Both of the above.
• D) gravity.
• E) All of the above.

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Definitions:

Utricle

A part of the inner ear that is involved in sensing linear accelerations and head-positions.

Vestibule

An entrance hall inside a building which leads to various rooms or spaces, or in anatomy, a space or cavity at the entrance of a canal, notably within the ear or nose.

Nasopharynx

The upper part of the pharynx, connecting the nasal cavity above the soft palate to the oropharynx.

Auditory Tube

Also known as the Eustachian tube, it connects the middle ear to the back of the nasopharynx, helping equalize air pressure on both sides of the eardrum.