If the Speed of Sound Is 340 M/s, the Two

question 49

Multiple Choice

If the speed of sound is 340 m/s, the two lowest frequencies of an 0.5 m organ pipe, closed at one end, are approximately:

• A)170 and 340 Hz
• B)170 and 510 Hz
• C)340 and 680 Hz
• D)340 and 1020 Hz
• E)57 and 170 Hz

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Definitions:

Initial Investment

The amount of money used to start a new venture, purchase an asset, or stock in a portfolio, serving as the foundation for future financial performance and returns.

Present Value

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Multiple IRRs

This occurs when a project or investment has more than one internal rate of return, typically due to multiple cash flow sign changes over the investment's lifetime.

Negative Cash Flow

A situation where a business or individual's outgoing cash exceeds the incoming cash during a specific period, indicating potential financial trouble.