In One-Dimensional Motion Where the Direction Is Indicated by a Plus

question 28

Multiple Choice

In one-dimensional motion where the direction is indicated by a plus or minus sign,the average velocity of an object has which of the following properties?

• A)It is positive.
• B)It is negative.
• C)It is zero.
• D)It can be positive,negative,or zero.

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Definitions:

Substage

A division or smaller part that forms a component of a larger stage or phase.

Direct Contact

Physical interaction between an infected person or contaminant and a susceptible host, leading to the potential transfer of disease.

Condenser

Part of a microscope substage that regulates the amount of light directed on a specimen.

Magnified Specimen

A sample that has been enlarged using a microscope or other magnification tool for detailed examination.