When a Certain String Is Clamped at Both Ends, the Lowest

question 22

Multiple Choice

When a certain string is clamped at both ends, the lowest four resonant frequencies are measured to be 100, 150, 200, and 250 Hz.One of the resonant frequencies (below 200 Hz) is missing.What is it?

• A)25 Hz
• B)50 Hz
• C)75 Hz
• D)125 Hz
• E)225 Hz

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Definitions:

Net Capital Outflow

The difference between a nation's total exports of physical assets and its total imports of physical assets within a given period.

Domestic Assets

Assets located within a country's borders, including both tangible and intangible assets owned by residents or entities, and contributing to the national economic value.

Trade Surplus

A situation where a country's exports exceed its imports over a given period, indicating a net inflow of domestic currency from foreign markets.

Foreign Direct Investment

Investment made by a company or individual in one country in business interests in another country, in the form of either establishing business operations or acquiring business assets in the other country.