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

---

Definitions:

Color Code

A system of identification that uses different colors to represent specific information, often used in settings like hospitals to quickly convey medical alerts or in industries for safety.

ECG Tracings

Recordings of the electrical activity of the heart measured during an electrocardiogram (ECG) test.

Computerized Analysis

The use of computer technology to examine data or systems in detail in order to identify patterns, trends, or important information, often employed in research and business sectors.

Atrial Depolarization

The excitement and contraction caused by the SA node at the beginning of the cardiac cycle.