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A uniform circular disc of radius 50 cm ...

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

A

`7.0`

B

`6.0`

C

`3.0`

D

`8.0`

Text Solution

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The correct Answer is:
D
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