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If the earth were suddenly shrink to hal...

If the earth were suddenly shrink to half its size and if its mass remains constant, what will be the new moment of inertia of earth?

A

2\5`MR^2`

B

`MR^2/10`

C

`5MR^2/4`

D

5\2 `MR^2`

Text Solution

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The correct Answer is:
B
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