Rotational Dynamics About a Fixed Axis: in the Figure, a Mass

question 9

Multiple Choice

Rotational dynamics about a fixed axis: In the figure, a mass of 31.77 kg is attached to a light string that is wrapped around a cylindrical spool of radius 10.0 cm and moment of inertia 4.00 kg · m². The spool is suspended from the ceiling, and the mass is then released from rest a distance 5.70 m above the floor. How long does it take to reach the floor?

• A) 3.98 s
• B) 3.83 s
• C) 1.14 s
• D) 5.59 s
• E) 7.89 s

---

Definitions:

Jim Crow Towns

Municipalities in the United States where laws and customs rigidly enforced racial segregation and discrimination against African Americans.

"Whites Only" Signs

Historical markers of segregation, especially in the United States, designating spaces and services exclusively for white individuals, exemplifying institutional racism.

Environmental Hazards

Physical, chemical, and biological factors external to a person that can cause harm to health or well-being.

Economic Opportunities

The availability of chances for individuals to improve their economic status through employment, education, or starting a business.