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Differential Equation of Wave

A wave is rep...

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A wave is represented by $y_{2} = 20 c o s (5 x + 25 t + \frac{π}{3})$ interferes with the first wave. Deduce the amplitude and phase of the resultant wave.

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Q. A wave is represented by

y_{1} = 10 c o s (5 x + 25 t)

where, x is measured in metres and t in seconds. A second wave for which

y_{2} = 20 c o s (5 x + 25 t + \frac{π}{3})

interferes with the first wave. Deduce the amplitude and phase of the resultant wave.

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