A Source Emits Sound with a Frequency of 1000 Hz

question 1

Multiple Choice

A source emits sound with a frequency of 1000 Hz. It and an observer are moving toward each other, each with a speed of 100 m/s. If the speed of sound is 340 m/s, the observer hears sound with a frequency of:

• A) 294 Hz
• B) 545 Hz
• C) 1000 Hz
• D) 1830 Hz
• E) 3400 Hz

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Definitions:

Credit Sales

Sales made on credit, which allow the buyer to pay the seller at a later date, typically recorded as accounts receivable.

Cash Expenditures

The total amount of money a company spends on acquiring physical goods, services, or assets in a given period.

Accounts Receivable

Money owed to a company by its clients or customers for goods or services that have been delivered but not yet paid for.

Cost of Goods Sold

An expense representing the total cost of materials and labor directly associated with the production of goods sold by a business.