A Bat Emits a Sound at a Frequency of 30

question 12

Multiple Choice

A bat emits a sound at a frequency of 30.0 kHz as it approaches a wall.The bat detects beats such that the frequency of the echo is 900 Hz higher than the frequency the bat is emitting.The speed of sound in air is 340 m/s.The speed of the bat is closest to

• A) 20.0 m/s.
• B) 530 m/s.
• C) 10.0 m/s.
• D) 30.0 m/s.
• E) 5.02 m/s.

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Definitions:

Equipment

Fixed assets used in operations, such as machinery, computers, and furniture, which have a useful life of more than one accounting period.

Adjusting Entries

Adjusting entries are journal entries made at the end of an accounting period to update account balances before preparing financial statements, aligning them with the accrual basis of accounting.

Current Assets

Holdings that are projected to be liquidated, traded, or used up within twelve months or over the course of the operating cycle, depending on which timeframe is more extended.

Current Liabilities

Financial obligations or debts that a company is expected to settle within one year or within its operating cycle.