QJEEM20Pha8d9: JEE Main 2020 Physics - Class 11 JEEM20Pha8d9 Solution: The centre of mass of solid hemisphere of radius 8 cm is x from …

Question

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The centre of mass of solid hemisphere of radius 8 cm is x from the centre of the flat surface. Then value of x is __________.

Accepted Answer

As we know c.o.m. or hemisphere =

\frac{3 R}{8}

∴

x =

\frac{3 R}{8}

=

\frac{3 \times 8}{8}

= 3 cm

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