A Playground Carousel Is Rotating About Its Center

question 63

Multiple Choice

A playground carousel is rotating about its center.The radius of the carousel is 1.50 m,its initial angular speed is 3.14 rad/s and its moment of inertia is 125 kg m².A 40.0-kg person climbs onto the carousel near its outer edge.What is the angular speed of the carousel after the person climbs aboard?

• A)1.41 rad/s
• B)1.57 rad/s
• C)1.83 rad/s
• D)3.14 rad/s

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Definitions:

Tympanic Membrane

Also known as the eardrum, a thin membrane that separates the outer ear from the middle ear and vibrates in response to sound waves.

Slightly Concave

Describes a surface that is curved or dented inwardly, often used in reference to physical shapes or anatomical structures.

Light Pink

A pale, soft shade of pink, often associated with calmness, gentleness, and health.

Bulge

A protrusion or outward swelling, often due to pressure from below or within.