wave equation. Memorize this.
frequency*wavelength=speed
50/26.6 * wavelength=3.55/12.1
solve for wavelength in meters.
A harmonic wave is traveling along a rope.
The oscillator that generates the wave completes 50.0 vibrations in 26.6 s. A given crest
of the wave travels 355 cm along the rope in a
time period of 12.1 s.
What is the wavelength?
Answer in units of m
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