A Clarinet, Which Is Essentially a Tube That Is Open

question 42

Multiple Choice

A clarinet, which is essentially a tube that is open at one end, is properly tuned to concert A 440 Hz) indoors, where the temperature is 20^oC and the speed of sound is 340 m/s. The musician then takes the instrument to play an outdoor concert, where the temperature is 0^oC and the speed of sound is 331 m/s. What is the frequency of the A played on the cold clarinet? Ignore any thermal changes in the body of the clarinet itself.)

• A) 417 Hz
• B) 428 Hz
• C) 434 Hz
• D) 445 Hz
• E) 451 Hz

---

Definitions:

Direct Approach

A method used in accounting that focuses on the immediate recognition of revenues and expenses when they are incurred, without adjusting for accruals.

Indirect Approach

A method used in the preparation of the cash flow statement where net income is adjusted for non-cash transactions and changes in working capital.

Investing Activities

Financial transactions related to the acquisition and disposal of long-term assets and other investments not included in cash equivalents.

Financing Activities

Transactions and events where cash is raised from or repaid to investors, such as issuing shares or borrowing.