A String 2

question 149

Multiple Choice

A string 2.0 m long has a mass of 2.4  10^-2 kg. When fixed at both ends, it vibrates with a fundamental frequency of 150 Hz. The frequency of the third harmonic of this fundamental is

• A) 50 Hz.
• B) 75 Hz.
• C) 0.15 kHz.
• D) 0.45 kHz.
• E) 1.1 kHz.

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Definitions:

Internal Rate

Typically refers to the internal rate of return (IRR), which is a rate of return used in capital budgeting to measure and compare the profitability of investments.

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Choices made between alternatives based on preferences for certain criteria or outcomes.

Present Value

The current worth of a future sum of money or stream of cash flows given a specified rate of return.

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