Question

If 11 discs of same mass are there then find the moment of inertia?​

Answer 1

Answer: Moment of inertia of disc,

I=  

2

1

​  

MR  

2

=  

2

1

​  

M(  

πρt

M

​  

)

[∵ρ=  

V

M

​  

=  

πR  

2

t

M

​  

;∴R  

2

=  

πρt

M

​  

]

I=  

2

1

​  

 

πρt

M  

2

 

​  

 

∴I∝  

ρ

1

​  

 [As M and t are constants]

I  

2

​  

 

I  

1

​  

 

​  

=  

ρ  

1

ρ  

2

maek...me as the brainliest...

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