A point on a body performing pure rotati...

A point on a body performing pure rotation is 10cm from the axis of rotation of body. Angular position of the point from reference line is given by `0 = 0.5 e^(2t)`, where 0 is in radian and t in second. The acceleration of the point at t =0 is

`sqrt5/10 m//s^2`

`sqrt5 m//s^2`

`1/10 m//s^2`

`1/20 m//s^2`

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