A Racecar, Traveling at Constant Speed, Makes One Lap Around

question 49

Multiple Choice

A racecar, traveling at constant speed, makes one lap around a circular track of radius r in a time t. Note: The circumference of a circle is given by C=2πr.
-Which one of the following statements concerning this car is true?

• A)The displacement of the car does not change with time.
• B)The instantaneous velocity of the car is constant.
• C)The average speed of the car is the same over any time interval.
• D)The average velocity of the car is the same over any time interval.
• E)The average speed of the car over any time interval is equal to the magnitude of the average velocity over the same time interval.

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Definitions:

Internal Locus

The belief that one's actions and decisions are primarily controlled by personal decisions and efforts rather than external factors.

Environmental Forces

External factors that affect an organization's performance and operations, including economic, political, technological, and cultural influences.

Successes And Failures

Refers to the outcomes of actions, initiatives, or projects, indicating whether objectives were met (success) or not (failure).

Trait Approach

A theory in psychology that attributes personality and behavior to consistent patterns of inherent traits or characteristics within an individual.