A uniform circular disc of radius 50cm a...

A uniform circular disc of radius 50cm at rest is free to turn about an axis which is perpendicular to its plane and passes through its centre. It is subjected to a torque which produces a constant angular acceleration of `2.0 rads^(-2)` Its net acceleration in ms at the end of 2.0 s is approximately

`7.0`

`6.0`

`3.0`

`8.0`

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