Problem of Waves Homework: Wavelength, Frequency, Speed, Weight

[TheNextOne21]

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

 

[tiny-tim]

Hi TheNextOne21!

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