An Elephant and a Feather Fall Through the Air

question 39

Multiple Choice

An elephant and a feather fall through the air. The force of air resistance is

• A)greater on the feather
• B)greater on the elephant
• C)the same on each
• Because
• D)the feather weighs less.
• E)the elephant encounters more air because of his greater size and speed.
• F)each is under the influence of gravitational force alone.

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Definitions:

Molecular Formula

A notation showing the types and numbers of atoms in a molecule, without indicating their arrangement.

Ethyl

A functional group or moiety consisting of two carbon atoms and five hydrogen atoms (–C2H5), often derived from ethanol.

Dimethyldodecane

An organic compound structured as a dodecane backbone with two methyl groups attached, used in various chemical contexts.

Alkane

A hydrocarbon compound consisting only of carbon and hydrogen atoms arranged in a tree structure with single bonds.