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System Of Particles And Rotational Motion
A circular disc of radius R is removed from a bigger circular disc of radius 2R such that the circumferences of the discs coincide. The centre of mass of the new disc is α/R from the centre of the bigger disc.The value of α is
-
1/3
-
1/2
-
1/6
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1/4
A.
1/3
In this question distance of centre of mass of new disc is αR not α/R.
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Mock Test Series
Mock Test Series