Calculating Frequency of a Transverse Wave on a String

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SUMMARY

The discussion focuses on calculating the frequency of a transverse wave on a string, given that two cycles travel along a 3.0m section at a speed of 20 m/s. The relationship between wavelength and frequency is established, where the wavelength is determined to be 1.5m (since 2 wavelengths equal 3.0m). Using the wave speed formula, frequency is calculated as 13.33 Hz, derived from the equation frequency = speed/wavelength.

PREREQUISITES
  • Understanding of wave mechanics, specifically transverse waves.
  • Familiarity with the wave speed formula: speed = frequency × wavelength.
  • Knowledge of basic trigonometry to interpret wave cycles.
  • Ability to manipulate algebraic equations to solve for unknowns.
NEXT STEPS
  • Study the relationship between wave speed, frequency, and wavelength in various mediums.
  • Learn about the properties of transverse waves and their applications in physics.
  • Explore the concept of wave interference and its effects on wave patterns.
  • Investigate real-world examples of transverse waves, such as those in strings and electromagnetic waves.
USEFUL FOR

Students studying physics, educators teaching wave mechanics, and anyone interested in the mathematical principles behind wave behavior.

dietcokegal
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Homework Statement



A periodic transverse wave is established on a string such that there are exactly two cycles traveling along a 3.0m section of the string. The crests move at 20 m/s. What is the frequency of the wave?

Homework Equations



?

The Attempt at a Solution



Dont know how to do it.
 
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Let's take the problem apart a bit. for starters if there are two cycles in a 3.0m section that's essentially saying that 2*wavelength = 3.0m, right?

Now, how do we find frequency from wavelength?
 

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