Question

A sinusoidal wave of frequency 200 Hz has a speed of 350 m/s. (a) How far...

A sinusoidal wave of frequency 200 Hz has a speed of 350 m/s. (a) How far apart are two points that differ in phase by π/4 rad? (b) What is the phase difference between two displacements at a certain point at times 4.5 ms apart?

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Answer #1

Use the properties of wave motion to find the phase difference as shown below


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