A wheel accelerates with a constant angular acceleration of 4.5 rad/s2. If the initial angular velocity is 1.0 rad/s, what is the angle the wheel rotates through in 2.0 s?

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The law of conservation of angular momentum:  The total angular momentum of a rotating object remains constant if the net torque acting on it is zero.


A wheel accelerates with a constant angular acceleration of 4.5 rad/s<sup>2</sup>. If the initial angular velocity is 1.0 rad/s, what is the angle the wheel rotates through in 2.0 s?