Question

$\\ QUESTION$
Moment of inertia of a uniform annular disc of internal radius r and external radius R and mass M about an axis through its centre and perpendicular to its plane is:
a)1/2M(R²-r²) b)1/2M(R²+r²)
c)M(R²+$r^{4}$ )/2(R²+r²) d)1/2M($R^{4}$+$r^{4}$) / (R²-r²)

Plz gimme a knowledgeable answer!!

Answer 1

Answer:

Option B

I hope it is helpful

Answer 2

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Hehe..

I have to post this again as my question got deleted

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