The moment of inertia of a body about a given axis is 1.2 kg × m2. Initially, the body is at rest. In order to produce a rotational kinetic energy of 1,500 J, an angular acceleration of 25 rads'2 must be applied about that axis for a duration of

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The moment of inertia of a body about a given axis is 1.2 kg × m2. Initially, the body is at rest. In order to produce a rotational kinetic energy of 1,500 J, an angular acceleration of 25 rads'2 must be applied about that axis for a duration of






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