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  • A hollow hemisphere of mass m is placed on a hollow sphere of mass m. The center of mass of given arrangement from point A is at the height <img src="data:image/png;base64,iVBORw0KGgoAAAA

A hollow hemisphere of mass m is placed on a hollow sphere of mass m. The center of mass of given arrangement from point A is at the height

Option: 1

\frac{7R}{2}

 

 

 


Option: 2

\frac{7R}{4}


Option: 3

\frac{5R}{2}


Option: 4

\frac{5R}{4}


Answers (1)

best_answer

y_{cm}=\frac{m_{1}y_{1}+m_{2}y_{2}}{m_{1}+m_{2}}

=\frac{mR+m(2R+\frac{R}{2})}{2m}

       \frac{7R}{4}

Posted by

HARSH KANKARIA

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