Question
Wind gusts create ripples on the ocean that have a wavelength of 5.00 cm and propagate at 2.00 m/s. What is their frequency?
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Final Answer

$40.0 \textrm{ Hz}$

Solution Video

# OpenStax College Physics Solution, Chapter 16, Problem 49 (Problems & Exercises) (0:22)

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Video Transcript
This is College Physics Answers with Shaun Dychko. Wave speed is frequency multiplied by wave length. So to solve for frequency we divide both sides by lambda. So f equals v over lambda and that is two meters per second divided by five centimeters written as five times ten to the minus two meters. This gives a frequency of 40 Hertz.