Two Loudspeakers,A and B,are Separated by a Distance of 2

question 7

Multiple Choice

Two loudspeakers,A and B,are separated by a distance of 2.0 m.The speakers emit sound waves at a frequency of 680 Hz that are exactly out of phase.The speed of sound is 343 m/s.How far from speaker A along the +x axis will a point of constructive interference occur?

• A)0.25 m
• B)0.30 m
• C)0.46 m
• D)0.88 m
• E)0.98 m

Distinguish between explicit and tacit knowledge.

Recognize the concept and importance of Big Data and its distinct characteristics.

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Understand the concept of the internal rate of return (IRR) and its application in investment evaluations.

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