Two Strings of Identical Mass Per Unit Length Are Stretched

question 20

Multiple Choice

Two strings of identical mass per unit length are stretched with the same tension with their ends fixed, but one string is 0.33 cm longer than the other. Waves on these strings propagate at 34.0 m/s. The fundamental frequency of the shorter string is 258 Hz. What is the beat frequency when each string is vibrating at its fundamental frequency?

• A) 12.3 Hz
• B) 9.00 Hz
• C) 12.0 Hz
• D) 12.7 Hz
• E) 11.3 Hz

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Definitions:

Statement Of Retained Earnings

A financial statement that details changes in retained earnings, including net income and dividends, for a specific period.

Balance Sheet

A financial report detailing a company's financial status at a particular moment, presenting assets, liabilities, and shareholders' equity.

Cash Dividends

The issuing of cash dividends from earnings to shareholders by a corporation.

Income Statement

A financial statement that shows a company’s revenue, expenses, and profit over a specific period.