Two Harmonic Waves Traveling in Opposite Directions Interfere to Produce

question 9

Multiple Choice

Two harmonic waves traveling in opposite directions interfere to produce a standing wave described by y = 3 sin (2x) cos 5t where x is in m and t is in s. What is the wavelength of the interfering waves?

• A) 3.14 m
• B) 1.00 m
• C) 6.28 m
• D) 12.0 m
• E) 2.00 m

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