A sinusoidal wave of frequency 500 Hz has a speed of 350 m/s.(adsbygoogle = window.adsbygoogle || []).push({});

(a) How far apart are two points that differ in phase by Pi/3 rad?

I was thinking that I need to use the equation y= Asin(kx-wt+pi/3)

I found the wavelength=0.70m

used this to find k=8.98

solved for w by converting the frequency to the period and using w=2pi/T to get w=3141 but I don't have amplitude.

I figured after plugging everything in and solving for x gives me the distnace apart. Is this the right approach?

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# Homework Help: Sinusoidal waves

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