Question

Moment of inertia of a thin uniform semicircular wire having mass M, radius R and centre C about an axis passing through point O and perpendicular to its plane is
$2mr {}^{2}$
$2mr {}^{2} (1 - (1 \div \pi))$
$mr {}^{2} (1 - (2 \div \pi))$
$2mr {}^{2} (1 - (2 \div \pi))$
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Answer 1

Explanation:

This is the answer

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