An object at rest begins to rotate with a constant angular acceleration. if the angular speed of the object is ω after the time t, what was its angular speed (in terms of ω) at the time t/2

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The energy released by a nuclear fusion reaction is produced when

In order to do work, the force vector must be question 1 options: in a different direction than the acceleration vector. in a different direction than the displacement vector. in the same direction as the displacement vector and the motion. in the same direction as the acceleration vector.