Q.

A hoop of mass 500gm & radius 10cm is placed on a nail. then the moment of inertia of the hoop, when it is rotated about the nail will be-- kgm2

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a

0.05

b

0.02

c

0.01

d

0.03

answer is C.

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Detailed Solution

I=mr2+mr2=2mr2
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