How do I change my name on brainly because I am getting tired of my real name showing.

Physics

2 answers:

just olya [345]3 years ago

3 0

Answer:

Explanation:

Sorry - it cannot be done as Brainly does not allow it. If you do not have too many points, you may consider closing this account and opening a new one with another name. Many people have multiple accounts here.

Daniel [21]3 years ago

3 0

Answer:

Explanation:

msg a mod n tell u need 2 change cuz' its ur real name. its not safe n u need 2 change it

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Suppose that the strings on a violin are stretched with the same tension and each has the same length between its two fixed ends

lesya692 [45]

Answer:

0.00384 kg/m

Explanation:

The fundamental frequency of string waves is given by

$f=\frac{1}{2L}\sqrt{\frac{F}{\mu}}$

For some tension (F) and length (L)

$f\propto\frac{1}{\mu}$

Fundamental frequency of G string

$f_G=196\ Hz$

Fundamental frequency of E string

$f_E=659.3\ Hz$

Linear mass density of E string is

$\mu_E=3.4\times 10^{-4}\ kg/m$

So,

$\frac{F_G}{F_E}=\sqrt{\frac{\mu_E}{\mu_G}}\\\Rightarrow \frac{F_G^2}{F_E^2}=\frac{\mu_E}{\mu_G}\\\Rightarrow \mu_G=3.4\times 10^{-4}\times \frac{659.3^2}{196^2}\\\Rightarrow \mu_G=0.00384\ kg/m$