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Angular velocity of smooth parabolic wir...

Angular velocity of smooth parabolic wire y = 4c(x)^(2) about axis of parabola in vertical plane if bead of mass m does not slip at (a,b) will be

A

(2gc)^1/2

B

2((2gc/b)^1/2)

C

2((2gc/ab)^1/2)

D

2((2gc)^1/2)

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The correct Answer is:
D
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