An Object Travels in a Circle of Radius 2

question 5

Multiple Choice

An object travels in a circle of radius 2.0 m with a constant speed of 4.0 m/s. What is the direction of its acceleration?

• A) Toward the center of the circle
• B) Normal to the plane of the circle
• C) Insufficient data given for determination
• D) Tangential to the circle
• E) None of these

Understand the implications of sample size on the reliability and precision of confidence intervals.

Identify the effects of increasing confidence levels on the width of confidence intervals.

Recognize the importance of using confidence intervals for estimating population parameters from sample data.

Analyze the adequacy of sample sizes for achieving desired margins of error and confidence levels.

---

Definitions:

Castes

A system of social stratification characterized by hereditary status, endogamy, and social barriers sanctioned by customs, law, or religion.

Society

denotes a group of individuals living together in a more or less ordered community, sharing customs, laws, and organizations.

High-tech Industry

A sector of the economy focused on the development, production, and sale of advanced technological products and services, including electronics, software, and biotechnology.

Social Stratification

A system by which a society ranks categories of people in a hierarchy based on factors like wealth, income, race, education, and power, leading to unequal access to resources and opportunities.