A taut rope is tied to a machine that causes it tooscillate sinusoidally. You take a picture of therope and see that at that moment there are fourcomplete cycles along 10m. If the oscillatorfrequency is 20HZ, find:a) The wave numberb) The angular frequencyc) If at time t = Os, the height of the wave is Omwhen x = 0m, find the phase shift of theoscillation.d) If at time t = Os, the transverse velocity is 250m/ s when x = Om, find the amplitude of theoscillation.e) Write the wave function that describes thebehavior of this wave.

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