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

Recognize methods for adjusting document appearance (e.g., font size, picture effects, page layout).

Identify ways to modify paragraph and list formats.

Comprehend the utilizations of document themes, styles, and properties.

Know how to manipulate text (e.g., cutting, copying, deleting, and undoing actions).

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Definitions:

Stress

A psychological and physical reaction to demands, perceived as challenges or threats, which can affect health and wellbeing.

Cytokine Release

The process by which immune cells secrete cytokines, proteins that modulate the immune and inflammatory responses.

Arterial Plaque

Deposits of fatty substances, cholesterol, and other materials on the inner walls of arteries, which can lead to cardiovascular diseases.

Stress Hormones

Hormones like cortisol and adrenaline that are released in response to stress, affecting the body's metabolism, immune system, and other functions.