A Lightweight Feather Slides Off a Table and Falls Through

question 86

Multiple Choice

A lightweight feather slides off a table and falls through the air until it reaches the floor. During the time of its fall,.its acceleration

• A) keeps decreasing.
• B) keeps increasing.
• C) is sometimes zero.
• D) never changes.

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Definitions:

Pineal Gland

A small endocrine gland in the brain that produces melatonin, a hormone that regulates sleep patterns.

Cerebral Aqueduct

A narrow channel located in the brain that connects the third ventricle to the fourth ventricle, allowing the flow of cerebrospinal fluid.

Interventricular Foramen

Openings that allow communication between the right and left ventricles of the heart, crucial for maintaining proper cardiac function.

Arachnoid Villi

Small protrusions of the arachnoid membrane into the dural sinuses allowing for the transfer of cerebrospinal fluid back into the bloodstream.