A Turntable Has a Radius of 0

question 23

Multiple Choice

A turntable has a radius of 0.80 m and a moment of inertia of 2.0 kg • m².The turntable is rotating with an angular velocity of 1.5 rad/s about a vertical axis though its center on frictionless bearings.A very small 0.40-kg ball is projected horizontally toward the turntable axis with a velocity of 3.0 m/s.The ball is caught by a very small and very light cup-shaped mechanism on the rim of the turntable (see figure) .The percent of the initial kinetic energy of the system that is lost during the capture of the ball is closest to

• A) 45%.
• B) 51%.
• C) 55%.
• D) 60%.
• E) 65%.

---

Definitions:

Conflict Theory

A theoretical framework in sociology that emphasizes the social, political, or material inequality of a social group, analyzing the conflict between competing interests.

Feminist Theories

A range of theoretical perspectives that focus on gender inequality, the roles of gender, and promoting women's rights and interests.

Americans with Disabilities Act

is a landmark civil rights law enacted in 1990 in the United States that prohibits discrimination against individuals with disabilities in all areas of public life, including jobs, schools, transportation, and all public and private places that are open to the general public.

Discrimination Prohibition

Laws and regulations that aim to prevent unequal treatment of individuals or groups based on specific characteristics such as race, gender, age, or sexual orientation.