1.

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 2.0rads^(-2). Its net acceleration in ms^(-2) at the end of 2.0 s is approximately

Answer»

`7.0`
`6.0`
`3.0`
`8.0`

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