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  3. a ) the moment of inertia of a rigid body, of mass

a ) The moment of inertia of a rigid body, of mass 40 kg, about an...

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Mechanical Engineering

a ) The moment of inertia of a rigid body, of mass 40 kg, aboutan axis through a point at 0.5 m from the mass centre, is 110kg.m2. What is the moment inertia of the same body about an axis,parallel to the first, at a distance 1.0 m from the masscentre?

[4 marks]

i) A metal hoop, with mass m concentrated along itsrim, has radius r, and rolls on a fixed surface withoutslipping. It has angular velocity ??. What is its kinetic energy?[4 marks]

j) Can a particle (point mass) have angular momentum? Explainyour answer.

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