Write the Equation of a Wave, Traveling Along the +X

question 75

Multiple Choice

Write the equation of a wave, traveling along the +x axis with an amplitude of 0.02 m, a frequency of 440 Hz, and a speed of 330 m/sec.

• A) y = 0.02 sin [880π(x/330 − t)]
• B) y = 0.02 cos [880π x/330 − 440t]
• C) y = 0.02 sin [880π(x/330 + t)]
• D) y = 0.02 sin [2π(x/330 + 440t)]
• E) y = 0.02 cos [2π(x/330 + 440t)]

---

Definitions:

William S. Gosset

A statistician best known for developing the t-test under the pseudonym "Student," contributing significantly to the field of small-sample statistics.

Cholesterol

A waxy substance found in the blood and cells, necessary for the body but high levels of which can be harmful.

Confidence Interval

A breadth of values, extracted from sample-based statistics, considered likely to enfold the value of an unexplored population parameter.

Resting Heart Rate

The number of heartbeats per minute while an individual is at rest, indicating their basic level of cardiac activity.