A Charged Particle (M = 5

question 65

Multiple Choice

A charged particle (m = 5.0 g, q = −70 μC) moves horizontally at a constant speed of 30 km/s in a region where the free fall gravitational acceleration is 9.8 m/s² downward, the electric field is 700 N/C upward, and the magnetic field is perpendicular to the velocity of the particle. What is the magnitude of the magnetic field in this region?

• A) 47 mT
• B) zero
• C) 23 mT
• D) 35 mT
• E) 12 mT

---

Definitions:

Revolutionary War

The conflict between thirteen British colonies in North America and Great Britain from 1775 to 1783, resulting in the independence of the colonies and the formation of the United States.

Inequality

Inequality refers to the uneven distribution of resources, opportunities, and treatments among individuals or groups within a society.

Modest Wealth

A term describing individuals or families who possess enough resources for a comfortable but not lavish lifestyle.

Political Influence

The ability to sway or alter the decision-making process of individuals in power, often exerted through various means such as lobbying, campaigning, or public opinion.