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[" 41.A bead of mass "m" is attached to ...

[" 41.A bead of mass "m" is attached to one "],[" end of a spring of natural length "R],[" and spring constant "K=((sqrt(3)+1)mg)/(R)*(50sqrt(30^(@))],[" The other end of the spring is fixed "^(A)(50930^(@)],[" at a point "A" on a smooth vertical ring "],[" of radius "R" as shown in figure.The "],[" normal reaction at "B" just after it is "],[[" normal reaction at "B" just after it is "],[[" (1) "mg/2," (2) "sqrt(3)mg],[" (3) "3sqrt(3)mg," (4) "(3sqrt(3)mg)/(2)]]]

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