Chapter 7 : Systems of Particles and Rotational Motion

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(b) Given the moment of inertia of a disc of mass M and radius R about any of its diameters to be MR2/4, find its moment of inertia about an axis normal to the disc and passing through a point on its edge.

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1.How far will the cylinder go up the plane?

2.How long will it take to return to the bottom?

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(b) Show that the childs new kinetic energy of rotation is more than the initial kinetic energy of rotation. How do you account for this increase in kinetic energy?

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