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A disc of radius 10 cm rotates in XY pl...

A disc of radius `10 cm` rotates in `XY` plane about an axis passing through its centre and perpendicular to the plane. At a particlular moment a point A on the disc has an acceleration `vec a_(A) = - 6 hat I m//s^(2)`.

The angular acceleration of disc is :

A

`48 rad//s^(2)` anticlockwise

B

`12 rad//s^(2)` anticlockwise

C

`48 rad//s^(2)` clockwise

D

`12 rad//s^(2)` clockwise.

Text Solution

Verified by Experts

The correct Answer is:
A
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