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 [880?(x/330 ?t)]
B. y = 0.02 cos [880?x/330 ? 440t]
C. y = 0.02 sin [880?(x/330 + t)]
D. y = 0.02 sin [2?(x/330 + 440t)]
E. y = 0.02 cos [2?(x/330 + 440t)]
Answer: A
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