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A spherical ball of mass 1/2 kg is held ...

A spherical ball of mass 1/2 kg is held at the top of an inclined rough plane making angle 30º with the horizontal the coefficient of limiting friction is 0.5. If the ball just slides down the plane without rolling its acceleration down the plane is -

A

`[(2-sqrt3)/4]`

B

g

C

`[(2sqrt(3-1))/4]g`

D

`[(sqrt(3)-1)/2]g`

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The correct Answer is:
A
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