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the frictionless inner surface of the bowl is also rotating with same w . The particle is at a height h from the bottom of the bowl. Then the relation between h and w is

[A] h=w^2/g

[B] h=R/2

[C] h=R-g/w^2

[D NOTA

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a) Along x-direction, NSinq = m (AC) w2 

=>NSinq = m (RSinq) w2 N = mRw2 --------------- (1)

 Along y-direction, NCosq = mg -------------- (2) 

Using (1) and (2) mRw2Cosq = mg

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