A Lighthouse Is Located on a Small Island $3 \mathrm {~km}$

question 128

Multiple Choice

A lighthouse is located on a small island, $3 \mathrm {~km}$ away from the nearest point $P$ on a straight shoreline, and its light makes four revolutions per minute. How fast is the beam of light moving along the shoreline when it is $1 \mathrm {~km}$ from $P$ ? Select the correct answer.

• A) \(1900 \pi \mathrm { km } / \mathrm { h }\)
• B) \(2000 \pi \mathrm { km } / \mathrm { h }\)
• C) \(1800 \pi \mathrm { km } / \mathrm { h }\)
• D) \(1700 \pi \mathrm { km } / \mathrm { h }\)
• E) \(1600 \pi \mathrm { km } / \mathrm { h }\)

Recognize the effects of Federal Reserve Board's policies on economic activity and inflation.

Identify the major regulatory acts that influence the operations of financial institutions and the credit market.

Understand the difference between credit and debit card usage and their impact on personal finances.

Know the major financial institutions and their roles in the financial system.

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Definitions:

Spreadsheet

A spreadsheet is a digital document consisting of rows and columns used to organize, calculate, and manage data, commonly via applications such as Microsoft Excel or Google Sheets.

Manufacturing Overhead

encompasses all manufacturing costs that are not directly associated with the cost of raw materials or direct labor, including rent, utilities, and salaries of managers.

Cost of Goods Sold

The explicit expenses linked to manufacturing the products a business sells, including costs for materials and labor.

Balance Sheet

A document detailing a business's assets, liabilities, and equity of shareholders at a particular moment, offering an overview of its financial health.