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4. Consider the equation shown below, which gives the displacement of a wave travelling along the x-axis. d(x.t) - (5.5 cm) sin(2.2x- 135t) a) What is the waves frequency? (include units) (include units) (include units) b) What is the waves wavelength? c) What is the waves speed?

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4. Consider the equation shown below, which gives the displacement of a wave travelling along the...
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