A Particle (Q = 5

question 4

Multiple Choice

A particle (q = 5.0 nC, m = 3.0 μg) moves in a region where the magnetic field has components B_x = 2.0 mT, B_y = 3.0 mT, and B_z = −4.0 mT. At an instant when the speed of the particle is 5.0 km/s and the direction of its velocity is 120° relative to the magnetic field, what is the magnitude of the acceleration of the particle?

• A) 33 m/s²
• B) 17 m/s²
• C) 39 m/s²
• D) 25 m/s²
• E) 45 m/s²

Recognize the causes and consequences of market failure.

Identify examples of negative externalities and public goods.

Grasp the importance of information in market functioning.

Distinguish between social goods and their collective benefits.

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Definitions:

Profit Margin

A profitability ratio calculated as net income divided by revenue, showing the percentage of revenue that remains as profit after expenses.

Sales Increase

Refers to the rise in the amount of goods or services sold by a company over a specific period, showcasing business growth.

Cash Dividends

Payments made by a company from its earnings to its shareholders in the form of cash.

Retained Earnings

Cumulative net earnings or profit of a firm after accounting for dividends; they are reinvested in the core business or to pay debt.