A Merry-Go-Round with a Moment of Inertia of 6

question 107

Multiple Choice

A merry-go-round with a moment of inertia of 6.78  10³ kg · m² is coasting at 2.20 rad/s. When a 72.6-kg man steps onto the rim, the angular velocity decreases to 2.0 rad/s. The radius of the merry-go-round is

• A) 3.06 m.
• B) 3.66 m.
• C) 4.27 m.
• D) 4.88 m.
• E) 5.49 m.

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Definitions:

Sensations

The physical feelings or perceptions resulting from something that happens to or comes into contact with the body.

Perceptions

The process of organizing, interpreting, and making sense of sensory information to understand the environment.

Persecution

The act of harassing or oppressing someone, especially because of their race, religion, gender, or beliefs.

Memory Accuracy

The extent to which a memory reflects the actual events that occurred.