A Wheel Rotates with a Constant Angular Acceleration Of $\pi$ Rad/s² $\pi$

question 69

Multiple Choice

A wheel rotates with a constant angular acceleration of $\pi$ rad/s². During a certain time interval its angular displacement is $\pi$ rad. At the end of the interval its angular velocity is 2 $\pi$ rad/s. Its angular velocity at the beginning of the interval is:

• A) zero
• B) 1 ras/s
• C) \(\pi\) ras/s
• D) ras/s
• E) 2 \(\pi\) ras/s

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Definitions:

Self-esteem

The subjective evaluation of one's own worth or value.

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A theory that people develop attitudes and opinions by observing their own behavior and concluding what attitudes must have caused them.

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The process of comparing oneself with others who are perceived to be better off or superior in some way.

Better than Average Effect

A cognitive bias where individuals overestimate their own qualities and abilities compared to others.