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A bead of mass (m) is located on a parab...

A bead of mass (m) is located on a parabolic wire with its axis vertical and vertex at the origin is shown in figure and whose equation `x^(2)= 4ay`. The wire frame is fixed and the bead can slide on it without friction. The bead is released from the point y = 4a on the wire frame from rest. The tangential accelera tion of the bead when it reacher the position given by y=a is

A

`(g)/(2)`

B

`sqrt(3)(g)/(2)`

C

`(g)/(sqrt(2))`

D

`(g)/(sqrt(5))`

Text Solution

Verified by Experts

The correct Answer is:
C
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