The X and Y Positions (In Meters)of a Particle Are

question 71

Multiple Choice

The x and y positions (in meters) of a particle are given by: x(t) = 253 t,and y(t) = -12.0 t² + 155 t + 100.The speed of the particle at t = 12.9 s is

• A)0 m/s.
• B)98.4 m/s.
• C)296 m/s.
• D)408 m/s.
• E)529 m/s.

---

Definitions:

Occupational Excellence

Achieving the highest standards of performance within a given profession or job through skill, dedication, and ethical practices.

Continually Honing

The ongoing process of refining or improving skills, abilities, or knowledge.

Skills

The abilities or expertise acquired through training or experience that can be applied effectively to specific tasks or situations.

Old-age Transition Stage

A phase in human development characterized by the shift into older adulthood, often involving significant personal, social, and health adjustments.