the angular velocity of particle increases from 0 to w as it completes x rotations.then number of rotations completed by it when its angular velocity becomes2w.
w-omega
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use 3rd equation of motion
w^2 = 0^2 + 2 a (2π x )
w^2 / 2a = 2π x
(2w)^2 = w^2 + 2 a (y)
3w^2 / 2a = y
y = 3(2π x)
number of revolution is 3x
w^2 = 0^2 + 2 a (2π x )
w^2 / 2a = 2π x
(2w)^2 = w^2 + 2 a (y)
3w^2 / 2a = y
y = 3(2π x)
number of revolution is 3x
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