The displacement of a wave traveling in the positive x, Ask an Expert

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The displacement of a wave traveling in the positive x -direction is y(x, t)=(3.5cm)cos(2.7x-92t) , where x is in m and t is in s .

1. What is the speed of this wave?

2. What is the frequency of this wave?

3. What is the wavelength of this wave?

Please explain your answers

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