An Organ Pipe Is Open at Both Ends

question 35

Multiple Choice

An organ pipe is open at both ends. The frequency of the third mode is 320 Hz higher than the frequency of the second mode. If the speed of sound is 345 m/s, then what is the length of the organ pipe?

• A) 64.0 cm
• B) 62.6 cm
• C) 57.9 cm
• D) 53.9 cm
• E) 50.3 cm

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Definitions:

Reversing Entries

Journal entries made at the beginning of an accounting period to reverse or cancel out adjusting entries made at the end of the previous accounting period, simplifying record-keeping.

Profit Margin

A financial ratio calculated as net income divided by revenue, expressing the percentage of each dollar of revenue that remains as profit.

Net Income

The profit of a company after all expenses, taxes, and costs have been subtracted from total revenue.

Net Sales

The revenue from goods or services sold by a company after deducting returns, allowances for damaged or missing goods, and discounts.