If the Displacement of an Object Is Given in SI $\Delta$

question 59

Multiple Choice

If the displacement of an object is given in SI units by $\Delta$ x = -5t + t ², at t = 2 s its velocity and acceleration are, respectively: (Hint: Use dimensional analysis along with the equations for motion with constant acceleration.)

• A) positive, positive.
• B) positive, negative.
• C) negative, negative.
• D) negative, positive.

---

Definitions:

Major Employer

A business or organization that provides a significant number of jobs within a community or economy, often influencing labor market conditions.

Economists

Professionals who study how societies use resources to produce and distribute goods and services, analyzing economic theories and applying them to various sectors.

Making Assumptions

The process of establishing certain premises or conditions as given for the purpose of analysis or decision-making.

Economists

professionals who study the production, distribution, and consumption of goods and services, and analyze economic issues and trends.