3.) Consider a system like the one below. You want to measure the massdensity of a cord. Understanding the relationship between wave speed andtension in a string, you decide to hang a 10 kg mass from the end of thestring as shown. When you pluck the now tensioned string, you hear a note.You measure the frequency of the note with an app on your phone, findingit to be 130 Hz. What is the mass density of the string?1 m10 kgmg

Given, An one meter long string and mass is hanging on it , the frequency is 130 Hz

Answered: 3.) Consider a system like the one…

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Please answer 1 to 3