The Vertical Displacement of a String Is Given by Y(x,t)

question 40

Multiple Choice

The vertical displacement of a string is given by y(x,t) = (6.00 mm) cos[(3.25 m^-1) x - (7.22 s^-1) t]. What is the amplitude of the wave?

• A) 6.00 mm
• B) 12.0 mm
• C) 3.00 mm
• D) 2.00 mm
• E) None of the other choices is correct.

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