A Doppler Effect Occurs When a Source of Sound Moves

question 14

Multiple Choice

A Doppler effect occurs when a source of sound moves

• A)towards you.
• B)away from you.
• C)either towards you or away from you.
• D)in a circle around you.

---

Definitions:

Accounts Payable

Money owed by a business to its suppliers for goods or services that have been delivered or used but not yet paid for.

Accounts Receivable

Debts owed by clients to a corporation for items or services that have been supplied but are still unpaid.

Fees Earned

Revenue generated from professional services provided, often used in accounting for law firms, consulting businesses, and other service providers.

Cash

Money in the form of bills or coins, immediately available for transactions or expenditure.