A Particle That Is Moving Along a Straight Line Decelerates

question 29

Multiple Choice

A particle that is moving along a straight line decelerates uniformly from 40 cm/s to 20 cm/s in 5.0 s and then has a constant acceleration of 20 cm/s² during the next 4.0 s.The average speed over the whole time interval is

• A)57 cm/s
• B)140 cm/s
• C)86 cm/s
• D)43 cm/s
• E)97 cm/s

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Definitions:

Self-Control

The ability to regulate one's emotions, thoughts, and behaviors in the face of temptations and impulses.

Self-Presentational Motivation

The drive to control the impressions others form about oneself.

Outcome Expectancies

Beliefs about the consequences or outcomes of performing a behavior, which can influence decision-making and actions.

Self-Efficacy

Self-efficacy refers to an individual's belief in their capacity to execute behaviors necessary to produce specific performance attainments.