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An object of mass m has angular acceleration a =0.2 rad s^-2. What is the angular displacement covered by the object after 3 second?

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An object of mass m has angular acceleration a =0.2 rad s-2. What is the angular displacement covered by the object after 3 second? (Assume that the object started with angle zero with zero angular velocity).

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Best answer

Given, 

Angular acceleration = α = 0.2 rad s-2

 Time = 3s 

Initial velocity = 0

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