Q. Center of mass of a hollow hemisphere lies at

एक खोखले गोलार्ध का द्रव्यमान केंद्र स्थित है

A
R/2
आर/2
B
R/3
आर/3
C
3R/8
3आर/8
D
R/2 from the base
आधार से आर/2

Explanation

For a thin, hollow hemisphere (like a shell), the mass is distributed along the curved surface. The center of mass lies along the vertical axis, at a distance of:

R2

from the flat base (or a distance R2\frac{R}{2} from the center along the symmetry axis).

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