A Ball Is Thrown Directly Upward and Experiences No Air

question 33

Multiple Choice

A ball is thrown directly upward and experiences no air resistance.Which one of the following statements about its motion is correct?

• A) The acceleration of the ball is upward while it is traveling up and downward while it is traveling down.
• B) The acceleration of the ball is downward while it is traveling up and upward while it is traveling down.
• C) The acceleration is downward during the entire time the ball is in the air.
• D) The acceleration of the ball is downward while it is traveling up and downward while it is traveling down but is zero at the highest point when the ball stops.

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Definitions:

Ergonomics

The scientific discipline concerned with the understanding of interactions among humans and other elements of a system, aimed at optimizing human well-being and overall system performance.

Motivational Approach

A method or strategy designed to inspire and encourage individuals or teams to improve performance and achieve goals.

Training Time

The duration allocated for the development of skills and knowledge through structured learning activities.

Job Satisfaction

A positive emotional state resulting from the appraisal of one’s job or job experiences, reflecting the extent to which job facets meet or exceed expectations.