A Child Is Riding a Merry-Go-Round That Has an Instantaneous $0.745 \mathrm { rad } / \mathrm { s } ^ { 2 }$

question 18

Multiple Choice

A child is riding a merry-go-round that has an instantaneous angular speed of 1.25 rad/s and an angular acceleration o $0.745 \mathrm { rad } / \mathrm { s } ^ { 2 }$ The child is standing 4.65 m from the center of the
Merry-go-round. What is the magnitude of the linear acceleration of the child?

• A) \(2.58 \mathrm {~m} / \mathrm { s } ^ { 2 }\)
• B) \(4.10 \mathrm {~m} / \mathrm { s } ^ { 2 }\)
• C) \(8.05 \mathrm {~m} / \mathrm { s } ^ { 2 }\)
• D) \(3.46 \mathrm {~m} / \mathrm { s } ^ { 2 }\)
• E) \(7.27 \mathrm {~m} / \mathrm { s } ^ { 2 }\)

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Definitions:

Self-efficacy

An individual's belief in their intrinsic ability to execute behaviors necessary to produce specific performance attainments, reflecting confidence in the ability to exert control over one's own motivation, behavior, and social environment.

Self-control

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

Cognitive Processing Theory

A theory focusing on the thought processes that underlie learning, suggesting that individuals actively process information and this processing influences learning.

Operant Conditioning

A learning method that uses rewards and punishments to influence behavior.