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

question 64

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 speed of the wave?

• A) 0.450 m/s
• B) 1.41 m/s
• C) 2.22 m/s
• D) 3.16 m/s
• E) 23.5 m/s

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