Two Point Charges of +20

question 14

Multiple Choice

Two point charges of +20.0 μC and -8.00 μC are separated by a distance of 20.0 cm. What is the magnitude of electric field due to these charges at a point midway between them? (k = 1/4πε₀ = 8.99 × 10⁹ N ∙ m²/C²)

• A) 25.2 × 10⁶ N/C directed toward the negative charge
• B) 25.2 × 10⁶ N/C directed toward the positive charge
• C) 25.2 × 10⁵ N/C directed toward the negative charge
• D) 25.2 × 10⁵ N/C directed toward the positive charge
• E) 25.2 × 10⁴ N/C directed toward the negative charge

Analyze the relationship between alcohol consumption and health outcomes.

Differentiate between psychological models of drug and alcohol addiction.

Critically assess the effectiveness of treatment and prevention programs for alcohol and drug dependence.

Identify the primary addictive component in cigarettes and its effects on the body.

---

Definitions:

Inflation Rate

The speed of growth in the average price level of goods and services, decreasing the effectiveness of purchasing power.

Exchange Rate

The value of one currency for the purpose of conversion to another, dictating how much one currency is worth in terms of another.

Risk-free Rate

The theoretical return on an investment with zero risk, typically represented by government bonds or bills of a stable government.

Exchange Rates

The price at which one currency can be exchanged for another, influencing international trade and investments.