Question: A body rotating at 20 rad/s is acted upon by a constant torque providing it a deceleration of 2 rad/s. The time (in seconds)

A body rotating at 20 rad/s is acted upon by a constant

A body rotating at 20 rad/s is acted upon by a constant torque providing it a deceleration of 2 rad/s. The time (in seconds) at which the body have same kinetic energy as the initial value if the torque continues to act is

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