At an Instant When a Particle of Mass 50 G

question 44

Multiple Choice

At an instant when a particle of mass 50 g has an acceleration of 80 m/s² in the positive x direction, a 75-g particle has an acceleration of 40 m/s² in the positive y direction. What is the magnitude of the acceleration of the center of mass of this two-particle system at this instant?

• A) 60 m/s²
• B) 56 m/s²
• C) 40 m/s²
• D) 50 m/s²
• E) 46 m/s²

---

Definitions:

HIV Diagnosis

The process of testing and confirming the presence of the HIV (Human Immunodeficiency Virus) in an individual.

CD4 Count

A measure of the number of CD4+ T lymphocytes in the blood, used to assess the immune system's health in individuals, particularly those with HIV/AIDS.

Healthy Person

An individual who enjoys physical, mental, and social well-being, free from major diseases or disorders.

Opportunistic Infections

Infections that occur more frequently and are more severe in individuals with weakened immune systems, such as those with HIV/AIDS.