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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

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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