A hoop with a mass of 1.2 kg is rotating about a fixed axis through its center and perpendicular to


A hoop with a mass of 1.2 kg is rotating about a fixed axis through its center and perpendicular to the plane. It has an angular acceleration of 2.0 rads2. (a) Find the radius of the hoop. (b) At a certain instant, a point on the rim has a tangential velocity of magnitude 3.4 m****************/


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