In a Playground There Is a Small Merry-Go-Round of Radius

question 44

Multiple Choice

In a playground there is a small merry-go-round of radius 1.25 m and mass 175 kg.Assume the merry-go-round to be a uniform disc.A child of mass 45 kg runs at a speed of 3.0 m/s tangent to the rim of the merry-go-round (initially at rest) and jumps on.If we neglect friction,what is the angular speed of the merry-go-round after the child has jumped on and is standing at its outer rim?

• A)0.82 rad/s
• B)2.4 rad/s
• C)0.49 rad/s
• D)1.2 rad/s
• E)0.41 rad/s

Appreciate the influence of family, societal, and cultural factors on the developing child.

Recognize the developmental milestones and challenges of adolescence in forming intimate relationships.

Analyze the effects of cohabitation on marital satisfaction and the dynamics of adult relationships.

Understand the development and complexity of intimate and social relationships throughout the lifespan.

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