posted by Anonymous .
A harmonic wave is traveling along a rope. The oscillator that generates the wave completes 40.0
vibrations in 30.0 s. A given crest of the wave travels 425 cm along the rope in a period of 10.0 s.What is the wavelength? Show all of your work plz.
i know the answer is 0.319 m but needs the stps of finding it plz