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A disc of mass 2 kg and diameter 40 cm i...

A disc of mass 2 kg and diameter 40 cm isfree to rotate about an axis passing through its center and perpendicular to its plane.If a force of 50 N is applied to the disc tangentially its angular acceleration will be

A

`100 rad//s^2`

B

`25 rad//s^2`

C

`250 rad//s^2`

D

`500 rad//s^2`

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