Sound Waves Whose Frequency Is 300 Hz Have a Speed

question 49

Multiple Choice

Sound waves whose frequency is 300 Hz have a speed relative to sound waves in the same medium whose frequency is 900 Hz that is

• A)one-third as great.
• B)the same.
• C)three times as great.
• D)nine times as great.

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Definitions:

Operating Leverage

The extent to which a company uses fixed costs in its operations, affecting its potential for higher profits or losses with changes in sales volume.

Selling Price

The amount of money for which something is sold to a buyer, after considering production, marketing, and distribution costs.

Fixed Cost

Fixed costs, including rent, salaries, and insurance, stay the same no matter how much is produced or sold.

Contribution Margin

The amount remaining from sales revenue after variable costs are deducted, contributing towards covering fixed costs and earning profit.