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Find the velocity of the centre of the disc as function of x

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The disk has mass m, radius r and moment of inertia IG = mr2/2. The spring constant is k = mg/r. The disc is released from rest when the spring is unscratched, and disk rolls without slipping. Let x be the position of the centre of the disc, measured down the incline from the initial position.

a) Find the velocity of the centre of the disc as a function of x.

b) Find the value of x where the velocity is maximum.

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Reference no: EM131123077

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