Problem of Waves

  • #1

Homework Statement


A cord is anchored to a wall at one end. It passes over a pulley and is attached to a mass at the other end. When the cord is plucked, it vibrates in its fundamental mode. The sound waves that emerge from the cord have a wavelength of 78cm. The cord is 63cm long and has a mass of 5.4g

What is the resonant frequency of the cord?


What is the wavelength of the fundamental mode of vibration in the cord?


What is the speed of a wave in the cord?


What is the weight of the mass?/



Homework Equations





The Attempt at a Solution

 

Answers and Replies

  • #2
tiny-tim
Science Advisor
Homework Helper
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Hi TheNextOne21! :wink:

Show us what you've tried, and where you're stuck, and then we'll know how to help! :smile:
 

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