If Air Resistance Is Neglected and the Initial Speed of a Projectile

question 57

Multiple Choice

If air resistance is neglected and the initial speed of a projectile is doubled,its range

• A)doubles.
• B)decreases by one-half.
• C)increases by a factor of four.
• D)decreases by a factor of four.
• E)does not change.

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Definitions:

Deodorant

A substance applied to the body to prevent or mask body odor by inhibiting bacterial growth or by masking the smell.

Antiperspirant

A substance applied to the body to reduce or prevent sweating by blocking the sweat ducts.

Microorganisms

Microscopic organisms that include bacteria, viruses, fungi, and protozoa.

Offensive

Causing upset or harm; often relating to behavior or material that is rude or attacking.