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mechanics

Easy

Question

$F i g u r e space s h o w s space a space u n i f o r m space d i s c space o f space r a d i u s space R comma space f r o m space w h i c h space a space h o l e space o f space r a d i u s space R divided by 2 space h a s space b e e n space c u t space o u t space f r o m space l e f t o f space t h e space c e n t r e space a n d space i s space p l a c e d space o n space t h e space r i g h t space o f space t h e space c e n t r e space o f space t h e space d i s c. space F i n d space t h e space C M space o f space t h e space r e s u l t i n g space d i s c.$

$(\frac{R}{4}, 2)$
$(- \frac{R}{4}, 0)$
$(\frac{R}{2}, 0)$
$(\frac{R}{4}, 0)$

The correct answer is: $(\frac{R}{4}, 0)$

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