A Fan That Was Rotating at a Speed of 450

question 10

Multiple Choice

A fan that was rotating at a speed of 450 revolutions per second for 5 minutes had its speed setting turned down to 240 revolutions per second after 5.5 minutes. What is the angular acceleration over this period of time?

• A)-7 rev/min²
• B)7 rev/min²
• C)-420 rev/min²
• D)420 rev/min²

---

Definitions:

Dividend Payout Ratio

The percentage of earnings paid to shareholders in dividends, indicating how much money a company returns to shareholders versus retaining.

Investing Activities

Part of cash flow analysis that involves the purchase or sale of long-term assets and investment securities, reflecting a company's investment growth or reduction.

Net Operating Income

A measure of a company's profitability, calculated by subtracting operating expenses from gross profit.

Flexible Budget

A budget that adjusts or flexes with changes in volume or activity level.