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Question

A hollow sphere of mass 50 kg and radius 5m is rotated about one of its diameter. What will be the rotational inertia of hollow sphere about this axis?

A
2500 kgm2
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B
25003 kgcm2
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C
2503 kgm2
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D
None of these
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Solution

The correct option is D None of these
As you know, (M.I)Hollow sphere=23MR2
Given, M = 50 kg
R = 5m
M.I = 23×50×25=25003kgm2

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