(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

The standing wave in the picture is oscillating at 100 Hz. What is it's velocity?

2. Relevant equations

Velocity=(wavelength)(frequency)

I believe is the equation that applies here.

3. The attempt at a solution

The wavelength from the picture appears to be 20x10-2 meters.

So velocity should equal (20x10-2)(100)= 20 meters per second

But I know this answer is wrong. Where am I going wrong?

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# Speed of standing wave

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