A 500-Hz Whistle Is Moved Toward a Listener at a Speed

question 17

Multiple Choice

A 500-Hz whistle is moved toward a listener at a speed of 10.0 m/s.At the same time,the listener moves at a speed of 20.0 m/s in a direction toward the whistle.What is the apparent frequency heard by the listener? (The speed of sound is 340 m/s. )

• A) 473 Hz
• B) 485 Hz
• C) 533 Hz
• D) 545 Hz

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Definitions:

Estimated Ending Inventory

An approximation of the value or quantity of inventory that a company expects to have at the end of a period, calculated using the cost of goods sold formula.

Gross Profit

The difference between revenue from sales and the cost of goods sold, before accounting for operating expenses.

Inventory Cost

The total cost associated with buying, producing, and storing inventory, including purchase prices, production costs, and related expenses.

Cost Flow Assumptions

Refers to the methods used to determine the cost of inventory sold and remaining inventory value, including FIFO, LIFO, and weighted average.